Marta's Smothered Burritos

Ingredients

• 2 pounds ground beef
• 1 (8-ounce) can tomato sauce
• 1 tablespoon chili powder
• 1/2 teaspoon salt
• 3/4 teaspoon cumin
• 1/2 teaspoon dried oregano
• 1/4 teaspoon garlic powder
• 1/4 teaspoon onion powder
• 1/4 cup butter or shortening
• 1/4 cup all-purpose flour
• 1/2 teaspoon black pepper
• 1 teaspoon salt
• 1 teaspoon garlic powder
• 2 teaspoons ground cumin
• 2 tablespoons chili powder
• 2 cups beef broth or water
• 1 (8-count) package burrito-sized tortillas
• 2 (16-ounce) cans refried beans
• 2 cups cheddar cheese, shredded, divided
• lettuce, to taste, shredded
• fresh tomato, to taste, chopped or diced
• guacamole, to taste, homemade or store-bought
• sour cream, to taste