Ingredients:
1 lb. lean ground beef
1 (16 ounce) can refried beans
3 teaspoons chili powder
3 teaspoons oregano
1 (8 ounce) package manicotti shells
2 1/2 cups water
16 ounces picante sauce
16 ounces sour cream
1 cup shredded monterey jack cheese
1/4 cup sliced green onions
1/4 cup sliced ripe olives

Directions:
In bowl, mix uncooked beef, beans, chili powder, and oregano. Spoon into uncooked manicotti shells. Place in greased 13x9 baking pan. Mix water and sauce, pour over manicotti. Cover and refrigerate 8 hours. Remove from refrigerator 30 minutes before baking. Cover and bake at 350F for 1 hour.
Uncover; spoon on sour cream. Sprinkle with cheese, onions, and olives. Bake for 8 minutes more.