Low-Carb Cheese Taco Shells with Avocado and Ground Beef

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

Crunchy cheese taco shells filled with seasoned ground beef, creamy avocado, and fresh lettuce for a satisfying and carb-conscious Mexican-inspired meal. This mexican-inspired keto (keto, low carb) ready in about 25 minutes pairs shredded sharp cheddar cheese, 85% lean ground beef, olive oil for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 450 calories and feeds 4, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 10 min Cook: 15 min Serves 4 Mexican cuisine 450 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 400°F. On a parchment-lined baking sheet, spread 1/4 cup shredded sharp cheddar cheese into 4 circles about 5 inches in diameter, spacing them apart.
  2. Step 2: Bake cheese circles for 5-7 minutes until melted and edges are golden brown and crispy. Remove from oven and immediately drape each cheese circle over the side of an inverted bowl to form taco shell shapes. Let cool and harden.
  3. Step 3: Heat 1 tbsp olive oil in a skillet over medium-high heat. Add 1 lb ground beef, 2 tbsp taco seasoning, 1 tsp salt, and 1/2 tsp black pepper. Cook, breaking up meat with a spoon, for 7-8 minutes until browned and cooked through.
  4. Step 4: To assemble, fill each cheese shell with about 1/4 of the seasoned ground beef, 1/4 cup shredded romaine lettuce, 2-3 slices of 1 medium avocado, and a dollop of 2 tbsp sour cream.

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Frequently asked questions

How long does Low-Carb Cheese Taco Shells with Avocado and Ground Beef take to make?

Total time is about 25 minutes (10 min prep + 15 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Low-Carb Cheese Taco Shells with Avocado and Ground Beef?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep shredded sharp cheddar cheese from drying out.

Can I substitute ingredients in Low-Carb Cheese Taco Shells with Avocado and Ground Beef?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Low-Carb Cheese Taco Shells with Avocado and Ground Beef for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

Is Low-Carb Cheese Taco Shells with Avocado and Ground Beef keto?

Yes — this recipe is tagged keto, low carb based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.