In small saucepan, saute onion ... and cook until sauce thickens, stirring constantly. Remove form heat and blend in mayonnaise, mustard, salt and pepper. In ... the sauce, cauliflower, tuna noodles and peppers. Sprinkle with ... oven for 35 minutes.
Crush chips and place half ... baking dish. Arrange tuna over chips. Top with asparagus. ... remaining chips. Combine sauce ingredients and pour over all. ... before serving. 6 servings.