Spinach Artichoke Dip II

1 (10-ounce) package frozen chopped spinach
2 (13 3/4-ounce) cans artichoke hearts
1/2 cup mayonnaise
1/2 cup sour cream
1 cup freshly grated
Parmesan
1 cup grated pepper jack cheese

Preheat the oven to 350 degrees F. Grease a casserole dish with nonstick spray.
Heat the spinach in a microwave oven on high for 5 minutes and squeeze dry. Drain the artichoke hearts and coarsely chop. Combine all the ingredients except the jack cheese in a large bowl. Stir well. Scrape into the prepared casserole dish and sprinkle the jack cheese on top. Bake for 30 minutes. Transfer to a chafing dish and keep warm over a low flame. Serve with bagel chips.

Adapted from <http://www.foodnetwork.com/recipes/paula-deen/hot-spinach-artichoke-dip-recipe/index.html>