Easy Beef Enchiladas

1 lb. ground beef
1 large can Enchilada Sauce
2 cups shredded cheese
1 (12-ct.) pkg. Flour Tortillas
1 can sliced black olives
1 half onion chopped

Heat oven to 400°F. Brown ground beef over medium-high heat until thoroughly cooked; drain. Stir in 3/4 cup enchilada sauce,1 cup cheese, olives and onions. Spoon enchilada filling onto tortillas; roll up and place seam side down in lightly greased 13X9 baking dish. Pour remaining enchilada sauce over top; sprinkle with remaining cheese. Bake at 400°F for 15 to 20 minutes.