How to Cook Costco Taquitos

El Monterey Mexican Grill Taquitos from Costco are pre-cooked frozen rolled tacos filled with charbroiled chicken breast and Monterey Jack cheese.

Wrapped in flour tortillas and sold in bulk 30-count boxes.

Perfect for quick meals, after-school snacks, party appetizers, or game day finger food.

This guide covers three cooking methods with times ranging from 2 to 13 minutes depending on your equipment.

Product Details

Product: El Monterey Mexican Grill Charbroiled Chicken Breast Flour Taquitos

Type: Pre-cooked, frozen

Package Size: 51 oz / 3.19 lbs (30 count)

Price: $9.99 at Costco (Updated December 2024)

Storage: Keep frozen at 0F or below

Calories per Serving: 250 (2 taquitos)

Protein: 10g per serving

Main Ingredients: Enriched flour tortilla, charbroiled chicken breast with rib meat, Monterey Jack cheese, tomato sauce, jalapeno puree, spices

Item Number: 18668

Cooking Methods Comparison

Recommended Method: Air fryer for crispiest texture with shortest cooking time.

Method 1: Air Fryer (Recommended)

The air fryer produces the crispiest taquitos in about 8 minutes.

Hot circulating air creates that golden brown shell without added oil.

Works great for 4-6 taquitos at a time.

Step 1: How Do You Prepare the Air Fryer Basket?

No thawing required. Cook straight from the freezer for best results.

Instructions:

1. Preheat air fryer to 350F
2. Place 4 frozen taquitos in basket with space between each
3. Arrange in single layer (do not stack or overlap)

Equipment: Air fryer (Ninja, Philips, or similar), no oil needed

Step 2: What Temperature and Time Do You Use?

F for 8 minutes total.

Lower than standard air fryer temps to prevent the tortilla from burning before the filling heats through.

Instructions:

1. Set temperature to 350F
2. Set timer for 8 minutes
3. Listen for sizzling sounds around the 5-minute mark

Temperature: 350F

Time: 8 minutes

Step 3: When Do You Flip the Taquitos?

Flip once at the halfway point for even browning on all sides.

Instructions:

1. Open basket at 4 minutes
2. Use tongs to flip each taquito
3. Continue cooking remaining 4 minutes

Checkpoint: At 4-minute mark

Step 4: How Do You Know When They’re Done?

Golden brown color with visible steam when you cut one open.

Instructions:

1. Check for golden brown, crispy shell
2. Cut one in half to verify filling is hot
3. Let stand 1 minute before eating (filling is very hot)

Target Temperature: 165F internal

Visual Indicator: Golden brown edges, shell feels firm and crispy to touch

Method 2: Oven

Baking in the oven works best when cooking 10 or more taquitos at once.

Takes longer than air frying but handles larger batches easily.

Consistent results every time.

Step 1: How Do You Prepare for Oven Baking?

Preheat is required. Cold oven means soggy results.

Instructions:

1. Preheat oven to 400F (do not exceed this temperature)
2. Line baking sheet with parchment paper or use ungreased sheet pan
3. Arrange frozen taquitos 1 inch apart
4. For more than 10 taquitos, use two baking sheets

Equipment: Sheet pan, parchment paper (optional)

Step 2: What Temperature and Time Do You Use?

F for 13 minutes produces crispy, golden taquitos.

Instructions:

1. Place baking sheet in center of oven
2. Bake uncovered for 13 minutes
3. Do not open oven door during cooking

Temperature: 400F

Time: 13 minutes

Step 3: Do You Need to Flip Oven-Baked Taquitos?

No flipping required with this method.

The sheet pan conducts heat to the bottom while oven heat crisps the top.

Instructions:

1. Let taquitos bake undisturbed
2. Check at 11 minutes if your oven runs hot

Checkpoint: Visual check at 11 minutes (optional)

Step 4: How Do You Know When They’re Done?

Even browning across all taquitos with no cold spots.

Instructions:

1. Look for golden brown color on all taquitos
2. Shell should feel crispy, not soft
3. Let stand 1 minute before serving

Target Temperature: 165F internal

Visual Indicator: Golden brown with slight bubbling where cheese meets tortilla

Method 3: Microwave

Fastest method but produces softer texture.

Good for a quick snack when crispiness is less of a priority.

Ready in under 2 minutes.

Step 1: How Do You Prepare Taquitos for Microwaving?

Use a microwave-safe plate. Paper towel underneath helps absorb moisture.

Instructions:

1. Place 2-4 taquitos on microwave-safe plate
2. Arrange in spoke pattern (not stacked)
3. Optional: Place paper towel under taquitos

Equipment: Microwave-safe plate, paper towel (optional)

Step 2: What Power Level and Time Do You Use?

HIGH power for quick heating. Time varies by quantity.

Instructions:

1. Set microwave to HIGH (100% power)
2. 2 taquitos: 1 minute
3. 4 taquitos: 2 minutes

Power Level: HIGH (1,100 watts)

Time: 1-2 minutes depending on quantity

Step 3: Do You Need to Rotate During Microwaving?

No rotation needed for most microwaves with turntables.

Instructions:

1. Let microwave complete full cycle
2. If no turntable, rotate plate halfway through

Checkpoint: None required with turntable

Step 4: How Do You Know When They’re Done?

Filling should be hot throughout. Shell will be soft, not crispy.

Instructions:

1. Carefully remove plate (very hot)
2. Let stand 30 seconds before eating
3. Check that filling steams when cut open

Target Temperature: 165F internal

Visual Indicator: Steam rising, filling visibly hot

Which Method Should You Choose?

Choose Air Fryer when:

• You want the crispiest texture possible
• Cooking 4-6 taquitos
• You have 8-10 minutes

Choose Oven when:

• Cooking for a crowd (10+ taquitos)
• Batch cooking for a party
• No air fryer available

Choose Microwave when:

• Speed matters most
• Cooking 2-4 taquitos for a quick snack
• Texture is less of a priority

Time Comparison: Microwave (1-2 min) < Air Fryer (8 min) < Oven (13 min)

Texture Ranking: Air Fryer (crispiest) > Oven (crispy) > Microwave (soft)

Safety and Quality Indicators

Food Safety

• Internal Temperature: 165F minimum
• Steam Check: Filling should steam when cut open
• Thawing: Never thaw before cooking. Cook straight from frozen.

Quality Indicators (Done Properly)

• Color: Golden brown shell with no pale spots
• Texture: Crispy exterior (air fryer/oven) or soft but hot (microwave)
• Temperature: Hot throughout, no cold center
• Appearance: Cheese slightly visible at ends, light bubbling

Signs of Overcooking

• Dark brown or blackened edges
• Burnt smell
• Dried out filling
• Cracked or split tortilla shell

Serving Suggestions

Portion Size: 2 taquitos per serving (15 servings per box)

Serving Ideas:

• Dip in salsa, guacamole, or sour cream
• Top with shredded lettuce, diced tomatoes, and queso
• Serve alongside Costco jasmine rice for a complete meal
• Add to a taco salad as the protein

Pairing Recommendations:

• Wholly Guacamole, Pace Salsa, or Daisy Sour Cream
• Mexican street corn or black beans
• Costco frozen vegetables for a balanced plate

Storage and Reheating

Leftover Storage

• Refrigerate within 2 hours of cooking
• Store in airtight container
• Consume within 3-4 days

Reheating Instructions

• Air Fryer: 350F for 3-4 minutes
• Oven: 375F for 5-6 minutes
• Microwave: 30-45 seconds on HIGH (will be soft)
• Target Temperature: 165F

Troubleshooting Common Issues

Issue: Taquitos are soggy

Cause: Microwave method or overcrowding in air fryer

Solution: Switch to air fryer or oven. Leave space between taquitos for air circulation.

Issue: Filling is cold in the center

Cause: Cooking time too short or temperature too high

Solution: Add 1-2 minutes cooking time. Lower air fryer temp if shell is browning too fast.

Issue: Shell is burnt but filling is cold

Cause: Temperature too high

Solution: Reduce oven temp to 375F or air fryer to 325F. Extend cooking time.

Issue: Unevenly cooked taquitos

Cause: Overcrowding or no rotation

Solution: Flip halfway through. Ensure single layer with 1 inch spacing.

Product Variations and Related Items

Similar Costco Products

• Delimex Beef Taquitos (66 ct) – Corn tortilla, beef filling, larger pack size
• El Monterey Chicken & Cheese (20 ct) – Smaller pack, same brand, slightly different recipe
• Jose Ole Taquitos – Alternative brand with similar cooking times

Other Frozen Mexican Items at Costco

• Costco burritos for a heartier option
• Costco enchiladas when you want something saucier
• Costco quesadillas for a different texture
• Costco street tacos as an alternative

Cooking Time Adjustments for Variations

• Beef taquitos: Add 1-2 minutes (denser filling)
• Breakfast taquitos: Same times apply
• Extra crunchy varieties: Reduce time by 1 minute

FAQ on How To Cook Costco Taquitos

What temperature do you cook frozen taquitos in an air fryer?

Set your air fryer to 350F for El Monterey Mexican Grill taquitos from Costco.

Cook 4 frozen taquitos for 8 minutes total. Flip them at the halfway mark.

This lower temperature prevents the flour tortilla from burning before the chicken and cheese filling heats through.

How long do you bake Costco taquitos in the oven?

Bake at 400F for 13 minutes on a sheet pan.

Space them 1 inch apart. No flipping required.

The oven method works best for batch cooking when you need more than 10 taquitos for a party or game day appetizer.

Can you microwave El Monterey taquitos?

Yes. Place 2 taquitos on a microwave-safe plate and heat on HIGH for 1 minute.

For 4 taquitos, use 2 minutes.

Quick and convenient, but expect a softer texture. The shell won’t get crispy like with an air fryer or convection oven.

Do you need to thaw Costco taquitos before cooking?

Never thaw them. Cook straight from the freezer.

Thawing makes the flour tortilla soggy and affects the final crispy texture.

All cooking instructions assume frozen taquitos going directly into your air fryer, oven, or microwave.

What internal temperature should taquitos reach?

The filling must reach 165F for food safety.

Use a food thermometer to check if you’re unsure. Cut one open and look for steam rising from the hot chicken filling.

No cold spots in the center.

How many taquitos come in a Costco box?

The El Monterey Mexican Grill box contains 30 taquitos (51 oz total).

That’s 15 servings at 2 taquitos each. Costco item number 18668.

They come in two resealable bags inside the box for easy freezer storage.

Why are my taquitos soggy after cooking?

Microwave cooking produces soft results. Overcrowding the air fryer basket also causes sogginess.

Switch to the air fryer method at 350F or oven baking at 400F.

Leave space between each rolled taco for proper air circulation.

What dipping sauces go best with taquitos?

Salsa, guacamole, and sour cream are the classics.

Ranch, queso, and chipotle mayo work great too.

Costco sells Wholly Guacamole, Pace Salsa, and Daisy Sour Cream. All pair well with these frozen Mexican snacks.

Can you cook taquitos in a toaster oven?

Yes. Use the same settings as a conventional oven.

Preheat to 400F and cook for 12-13 minutes. Watch closely since toaster ovens run hot.

Good option when heating a small batch of 4-6 taquitos for a quick meal.

How do you keep cooked taquitos warm for serving?

Set your oven to 200F and place cooked taquitos on a wire rack over a sheet pan.

This keeps them warm and crispy for up to 30 minutes. Works perfectly for party appetizers or finger food spreads.

Conclusion

Now you know how to cook Costco taquitos using three different methods.

The air fryer delivers the crispiest results in just 8 minutes at 350F. Oven baking handles larger batches for party snacks. Microwave works when speed matters most.

Always cook El Monterey taquitos straight from the freezer. Check for 165F internal temp.

Pair them with guacamole, salsa, or sour cream for a complete snack.

These bulk frozen taquitos from the Costco freezer section make meal prep simple. Golden brown, hot, and ready in minutes.