Spinach Artichoke Bites

2 (8 oz) cans refrigerated crescent dinner rolls

1 (14 oz) can artichoke hearts, drained & chopped

1 (9 oz) package frozen spinach, thawed & squeezed to drain

3/4 cup grated Parmesan cheese

2/3 cup mayonnaise

2/3 cup sour cream

1/8 teaspoon garlic powder

Cherry tomatoes for garnish

Preheat oven to 375 degrees.  Unroll dough into 4 long rectangles.  Place crosswise in un-greased  15x10 inch baking pan; press over bottom and 1 inch up sides to form crust.  Press perforations to seal.  Bake 10 to 12 minutes until light golden brown.  Mix remaining ingredients and spread over partially baked crust.  Bake 8 to 10 minutes more until topping is thoroughly heated.  Cut into 1 1/2 inch squares and top each square with a slice of cherry tomato.  Serve warm.  Makes 60 appetizers.