Fresh Vegetable Pizza
["2 (8 oz.) pkg. refrigerated crescent dinner rolls", "1 (8 oz.) carton sour cream", "1 to 2 Tbsp. prepared horseradish", "1/4 tsp. salt", "1/8 tsp. pepper", "2 c. fresh mushrooms, chopped", "1 c. chopped tomatoes", "1 c. small broccoli florets", "1/2 c. chopped green peppers", "1/2 c. chopped green onions"]
["Heat oven to 375\u00b0.", "Separate dough into 4 long rectangles. Place on ungreased 15 x 10 x 1-inch baking pan.", "Press over and 1-inch up sides to form crust.", "Seal perforations.", "Bake 14 to 19 minutes or until golden brown.", "Cool."]
["rolls", "sour cream", "horseradish", "salt", "pepper", "fresh mushrooms", "tomatoes", "broccoli florets", "green peppers", "green onions"]