3 hachis parmentier potato Recipes

onions, chopped, garlic cloves, minced (or pressed ), butter, olive oil, tomatoes, chopped, lean ground beef, herbes de provence (or other herbs to your taste), salt & pepper, to taste, egg yolk, parmesan cheese, mashed potatoes (instant is fine ), gruyere cheese, grated (can also use emmental or similar)

leftover burgundy beef stew (or your favorite stew), hot mashed potatoes, prepared with, butter, creme fraiche or 1/4 cup sour cream, dijon mustard, nutmeg, salt & pepper, to taste, pimiento-stuffed green olives, tomatoes, thinly sliced, gruyere or 1/2 cup swiss cheese, grated, garlic powder (optional), extra virgin olive oil, chopped fresh parsley, for garnish