Easy Authentic Spanish Rice

Ingredients (9)

• + 6 tablespoons butter add to pantry
• + 2 onions, chopped add to pantry
• + 2 jalapeno peppers, chopped add to pantry
• + 2 (14.5 ounce) cans Mexican-style diced tomatoes, undrained add to pantry
• + 1 cup uncooked white rice add to pantry
• ✓ salt and ground black pepper to taste
• ✓ salt and ground black pepper to taste
• ✓ ½ cup sour cream, or as desired
• + ½ cup shredded Cheddar cheese, or as desired add to pantry