Escalloped Oysters

1 cup margarine
1 cup flour
1 1/2 teaspoon paprika
1/2 teaspoon salt
1/4 teaspoon black pepper
Dash of cayenne pepper
2 medium onions, chopped
1 green bell pepper, chopped
1/2 clove garlic, minced
1 tablespoon lemon juice
1 tablespoon Worcestershire sauce
1 quart oysters, liquid reserved
1/4 cup cracker crumbs

Heat margarine in pan until melted. Mix in flour, stirring with a whisk until smooth. Return to heat and slowly brown to light color. Add paprika, salt, pepper and cayenne. Remove from heat and add onions, green pepper and garlic. Cook slowly for 5 minutes, stirring constantly. remove heat again; add lemon juice, Worcestershire, oysters and their liquid. Stir well. Pour into a 13 x 9-inch baking dish. Sprinkle with crumbs and bake at 400 degrees F for 30 minutes.