Cheesy Ground Beef and Rice Stuffed Poblano Peppers

Published: May 19, 2026
Lalita SuksawatLalita Suksawat
Categories: Beef, Low-Carb
Tags: Dinner, Mexican, Ground Beef, Stuffed Peppers, Low Carb Options

Stuffed Poblanos

Smoky roasted poblanos filled with seasoned beef, rice, and melty cheese for a flavorful Mexican-style dinner.

Prep Time:20 minCook Time:30 minTotal Time:50 minServings:4Difficulty:Medium

Nutrition (per serving)

Calories:485 kcal
Protein:29 g
Carbs:24 g
Fat:31 g

Poblano peppers are the unsung heroes of Mexican cuisine, offering a deep, earthy smokiness with just a hint of heat. Unlike bell peppers, which can sometimes be a bit one-note, poblanos provide a complex backdrop for savory fillings. In this recipe, we’re stuffing them with a hearty blend of seasoned ground beef, fluffy white rice, and plenty of melty cheese to create a meal that feels both comforting and sophisticated for a weeknight dinner.

What I love most about these stuffed peppers is how the roasting process transforms the skin, making it tender and infusing the entire dish with a slightly charred aroma. It’s a fantastic meal that looks impressive on the plate but is surprisingly simple to pull together. I highly recommend topping them with a dollop of cool sour cream and a squeeze of fresh lime to perfectly balance out the rich, cheesy goodness of the filling.

Ingredients

  • Poblano peppers:4 large
  • Ground beef (80/20):1 lb
  • Cooked white rice:1 cup
  • Yellow onion, diced:½ cup
  • Garlic, minced:2 cloves
  • Diced tomatoes with green chilies:10 oz
  • Ground cumin:1 tsp
  • Chili powder:1 tsp
  • Monterey Jack cheese, shredded:1.5 cups
  • Olive oil:1 tbsp
  • Fresh cilantro, chopped:2 tbsp
  • Salt and black pepper:to taste pieces

Instructions

  1. Preheat your oven to 400°F and line a large baking sheet with parchment paper for easy cleanup.

    Parchment-lined baking sheet ready for roasting poblano peppers
  2. Slice each poblano pepper in half lengthwise. Carefully remove the seeds and the white membranes using a spoon to keep the heat mild.

    Poblano pepper halves with seeds and white membranes removed
  3. Place the pepper halves cut-side up on the baking sheet. Drizzle lightly with olive oil and bake for 10-12 minutes until they begin to soften.

    Poblano halves drizzled with olive oil and pre-roasted until softened
  4. While the peppers pre-roast, heat a large skillet over medium-high heat and brown the ground beef until fully cooked. Drain any excess fat.

    Ground beef browned in a skillet with excess fat ready to drain
  5. Add the diced onion to the skillet and sauté for 3-4 minutes until translucent. Stir in the garlic, cumin, chili powder, salt, and pepper.

    Diced onion, garlic, cumin, and chili powder stirred into browned beef
  6. Pour in the diced tomatoes with green chilies and the cooked rice. Stir well and let the mixture simmer for 5 minutes so the flavors meld.

    Diced tomatoes with green chilies and cooked rice simmering with seasoned beef
  7. Remove the skillet from the heat and stir in half of the shredded cheese until it just starts to melt.

    Shredded Monterey Jack cheese melting into the beef and rice filling
  8. Spoon the beef and rice mixture generously into each pre-roasted poblano half.

    Beef and rice filling spooned into pre-roasted poblano halves
  9. Top the peppers with the remaining shredded cheese and return them to the oven for 12-15 minutes, or until the cheese is bubbly and golden brown.

    Stuffed poblano peppers baked with bubbly golden melted cheese
  10. Garnish with fresh cilantro and serve warm with a side of sour cream or lime wedges.

    Finished stuffed poblano peppers garnished with cilantro and served with sour cream and lime

Tips & Notes

  • For extra smoky flavor, you can char the outsides of the poblanos over an open gas flame before stuffing them.
  • If you prefer a lighter version, ground turkey or black beans work beautifully as a substitute for the beef.
  • Make sure the rice is fully cooked before adding it to the skillet, as it won't soften much further in the oven.