2 c  Pillsbury Crescent Rolls
8 oz Sour cream
1 1/2 tb Prepared horseradish
1/4 ts Salt
1/8 ts Pepper
2 c  Fresh mushrooms, chopped
1 c  Chopped, seeded tomatoes
1 c  Small broccoli florets
1/2 c  Chopped green peppers
1/2 c  Chopped green onions

1>. Heat oven to 375 deg.F. Separate dough into 4 long rectangles. Place
rectangles crosswise in an ungreased 15 x 10 x 1-inch baking pan; presss
over bottom and 1 inch up the sides. Seal perforations. Bake 14 to 19
minutes or until golden brown. Cool completely. 2>. Blend sour cream,
horseradish, salt and pepper until smooth. Spread evenly over crust. Top
with remaining ingredients. Cut into appetizer-size pieces. Refrigerate.