Beat lightly eggs (yolks and ... sets. Sprinkle grated cheese over top. Cook 1 minute. ... slipping knife under omelet or hold pan over low ... to make it richer).
Ingredients: 6 (cheese .. eggs .. milk .. salt ...)
Sauce: Melt butter over low ... constantly. Blend in cheese until melted. Stir in mustard and keep warm. Omelet: Beat egg yolks and ... with balance of sauce.