In a medium skillet, over medium high heat, brown ground beef with dried onion flakes. Season with Salt and Pepper to taste. DO NOT DRAIN beef.
Add 1/2 cup enchilada sauce. Stir until well incorporated.
Preheat oven to 350°. Spray a 9 x 13 baking dish with non-stick cooking spray. Spread a thin layer of enchilada sauce in bottom of baking dish.
Heat 10 flour tortillas in microwave 40 - 50 seconds.
Remove from microwave. Place a large scoop of meat mixture down center of warm flour tortillas. Top with a big pinch of grated cheese.
Roll tortilla. Place flap side down in baking dish. Continue stuffing and rolling tortillas. Squeeze to fit in 9 x 13 baking dish.
Top with Enchilada sauce. As much as desired.
Top with remaining cheese. Garnish with sliced olives and chopped green onions.
Place, uncovered, in preheated oven and bake for 35 minutes until sauce is bubbling and cheese is melted. Brown cheese by placing under broiler for 3-5 minutes.
Remove from oven. Serve with sour cream, avocado slices, and fresh sliced lime wedges.