Enchilada Casserole

1-1/2poundslean ground beef
1 onion, chopped
6 +clovesgarlic
1-1/2Cupspicante sauce
110-ounce packagefrozen chopped spinach (squeeze dry)
18-ounce cantomato sauce
3medium tomatoes, chopped
1largered bell pepper,diced
1Tablespoonlime juice
1-1/2teaspoonsalt
12 corn tortillas (flour may be used)
1Cupsour cream
3/4 +Cupcheddar cheese, shredded
3/4 +Cupmonterey jack cheese, shredded
1canrefried beans
  shredded lettuce
  sliced olives
  guacamole (optional)

Brown meat with onion and garlic; drain. Add picante sauce, spinach, tomato sauce, tomatoes, bell pepper, lime juice, and salt. Simmer uncovered 15 minutes, stirring occasionally. Arrange 6 tortillas on the bottom and up the sides of a lightly greased 13x9x2 inch baking dish, overlapping as necessary. Top with the refries. Add half of the meat mixture. Arrange remaining tortillas, overlapping as necessary. Spread sour cream evenly over tortillas. Top with remaining meat mixture. Bake at 350 degrees for 30 minutes. Remove from oven; sprinkle the top with the cheeses. Let stand for at least 10 minutes before serving. Cut into squares and top with the lettuce and olive mixture. Top with guacamole if desired (strongly suggested!). Enjoy...