1. Melt butter in saucepan; blend in flour. 2. Gradually stir in milk and vegetable stock. Stir and cook until smooth and thickened. Remove from heat. 3. Beat egg yolk, stir into sauce and bring to a boil, stirring constantly. Remove pan from heat and season with half the cheese, salt and pepper. 4. Cut off top slice from tomatoes. 5. Drain vegetables, arrange cauliflower in center, peas and tomatoes in groups around in a shallow buttered 2-quart baking dish. 6. Sprinkle tomatoes with salt and pepper. 7. Pour sauce over all vegetables and sprinkle with remaining cheese. 8. Bake at 450 degrees until brown, about 15 minutes; or broil until heated and golden brown. Serve immediately. ---------------------------------------------------------------------------
Nutrition
Ingredients