Beef and Queso Taco Soup with Diced Onion

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A creamy, spicy keto soup with browned ground beef, diced onions, and melted queso cheese for a satisfying low-carb dinner. This mexican-inspired keto (low carb) ready in about 40 minutes pairs ground beef (80% lean), medium yellow onion, diced, beef broth for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 420 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: 30 min Serves 4 Mexican cuisine 420 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 1 tablespoon olive oil in a large pot over medium-high heat. Add 1 medium diced yellow onion and sauté for 3-4 minutes until translucent.
  2. Step 2: Add 1 lb ground beef to the pot, breaking it up with a spoon. Cook for 6-8 minutes until browned and cooked through.
  3. Step 3: Stir in 1 tablespoon chili powder, 1 teaspoon cumin powder, 1/2 teaspoon garlic powder, 1 teaspoon salt, and 1/2 teaspoon black pepper. Cook for 1 minute until spices are fragrant.
  4. Step 4: Pour in 4 cups beef broth and 1 cup no-sugar-added diced tomatoes, stirring to combine. Bring to a simmer and cook uncovered for 15 minutes.
  5. Step 5: Lower heat, add 4 ounces cubed cream cheese and 1 cup shredded cheddar cheese. Stir continuously until cheeses melt and soup becomes creamy and smooth.
  6. Step 6: Taste and adjust seasoning if needed, then serve hot.

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Frequently asked questions

How long does Beef and Queso Taco Soup with Diced Onion take to make?

Total time is about 40 minutes (10 min prep + 30 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 Beef and Queso Taco Soup with Diced Onion?

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 ground beef (80% lean) from drying out.

Can I substitute ingredients in Beef and Queso Taco Soup with Diced Onion?

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 Beef and Queso Taco Soup with Diced Onion 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 Beef and Queso Taco Soup with Diced Onion low carb?

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