Step 2: Add the Rice and Liquids
- Once the beef is browned, stir in the uncooked rice to coat it with the beef and spices.
- Pour in the beef broth and the can of diced tomatoes (with their juice).
- Bring the mixture to a gentle boil.
Step 3: Add Beans and Corn
- Reduce the heat to low and stir in the black beans and corn.
- Cover the pan with a tight-fitting lid. Let it simmer for 18–20 minutes, or until the rice is tender and has absorbed most of the liquid.
- Avoid stirring too often, as this can make the rice mushy.
Step 4: Add Cheese and Bake (Optional)
- Preheat your oven to 375°F (190°C) if you want a baked, golden top.
- Sprinkle the shredded Mexican cheese evenly over the casserole.
- Transfer the skillet to the oven and bake for 10–12 minutes until the cheese is melted and bubbly.
- If you prefer, you can also just cover the skillet and let the cheese melt on the stovetop over low heat.
Step 5: Serve and Garnish
- Remove the casserole from the oven and let it sit for 5 minutes to set.
- Garnish with freshly chopped cilantro, sliced jalapeños, avocado, or a dollop of sour cream for extra flavor.
- Serve hot as a complete meal. This dish pairs wonderfully with a fresh green salad or tortilla chips.
Tips for the Perfect One Pot Mexican Rice Casserole
- Rice Choice: Long-grain rice works best for fluffy texture. Avoid quick-cook rice unless adjusting liquid amounts.
- Cheese Tips: A Mexican blend or cheddar-jack combo gives the best flavor and melt.
- Make it Spicy: Add a pinch of cayenne pepper or chopped green chilies for extra heat.
- Meal Prep: This casserole stores well in the fridge for up to 3 days and freezes beautifully for up to 2 months.
With just one pot and simple ingredients, this Beef One Pot Mexican Rice Casserole is a game-changer for busy weeknights. Each bite is packed with hearty beef, flavorful rice, and melty cheese, making it the ultimate comfort food with a Mexican twist.
If you want, I can also create a shortcuts version for 30-minute cooking that uses pre-cooked rice and simplifies steps even more—perfect for super busy nights. Do you want me to do that?
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