Macaroni gratin with bechamel sauce😋#newcookschallenge. Macaroni au Gratin The foundation of this creamy casserole is a classic mornay sauce, a béchamel sauce to which cheese has been added—in this case, Comté, a French cheese with a complex, nutty. Perfect and smooth, not grainy at all! Japanese macaroni gratin vs. vegan […]