Cook macaroni according to package directions. Melt butter; crack eggs into a bowl and beat until blended well. Grate all cheeses, except Velveeta. With the cooked macaroni still warm, mix in the Velveeta, melted butter, and 2 cups of the half and half. Blend until creamy and smooth. Add the remaining half and half, all grated cheeses, eggs, salt, and pepper. Blend all ingredients until smooth and creamy. Bake in deep baking dish in preheated 325°F. oven for 1 hour or until golden brown on top.

Per Serving (excluding unknown items): 1490 Calories; 95g Fat (57.1% calories from fat); 62g Protein; 98g Carbohydrate; 3g Dietary Fiber; 547mg Cholesterol; 1472mg Sodium. Exchanges: 5 1/2 Grain(Starch); 6 Lean Meat; 1/2 Non-Fat Milk; 15 Fat; 0 Other Carbohydrates. Serves 8.