Cook broccoli just until tender-crisp, (3 minutes). Drain and put under cold water. In nonstick skillet, heat oil over medium heat; add garlic, onion and mushrooms and cook, until onion is tender. Set aside. In blender, combine cottage cheese and yogurt; season with salt and pepper to taste. Process just until mixed. Cover and refrigerate. Makes 2 1/2 cups. Per T: 12 cal; .5 g fat; 0 cholesterol; 22 mg salt.