In a skillet over medium heat, cook the ground beef until browned. Drain excess fat. Add taco seasoning, Better Than Beef Bouillon, Dr. Pepper, and water. Simmer until the mixture thickens and becomes flavorful.
In a saucepan, melt butter over medium heat. Whisk in flour and cook for a minute. Gradually add beef stock, red enchilada sauce, beef bouillon, and chili powder. Simmer until the sauce thickens.
Preheat your oven to 375°F (190°C). Place a tortilla on a flat surface. Spoon the beef mixture onto the center, sprinkle with cheese, and roll up the tortilla, folding in the sides as you go.
Place the assembled burritos seam-side down in a baking dish. Pour the enchilada sauce over the burritos, ensuring they are well-coated. Sprinkle additional cheese on top. Bake in the preheated oven for 15 minutes, or until the cheese is melted and bubbly.