Mussio's Spinach and Artichoke Dip

This recipe was provided by Maggie. It is a family recipe.

1 STICK OF BUTTER
1 MEDIUM ONION, CHOPPED
2 (10oz) PACKAGES OF FROZEN CHOPPED SPINACH
1 (14oz) CAN ARTICHIKE HEARTS, DRAINED AND CHOPPED
1 (8oz) PACKAGE CREAM CHEESE
1 (8oz) CARTON SOUR CREAM
1 cup SHREDDED MONTEREY JACK CHEESE
1 cup GRATED PARMESAN CHEESE
2 tbsp TABASCO GREEN PEPPER SAUCE
SALT TO TASTE

1: melt butter in large saucepan over medium heat
2: ass onion & cook until soft - 5 min.
3: stir in spinach, artichokes, cream cheese, sour cream, 3/4 c monterey jack, 3/4 c parmesan, tabasco & salt
4: stir until well blended & heated through
5: pour mixture into casserole dish & top with reamaining 1/4 c mont-jack & 1/4 c parmesan cheese
6: bake 350 until cheese starts to brown - 10 min.
SERVE WITH CHIPS OR CRACKERS. MAKES 4 CUPS