Farm-Style Sausage Bake

6 medium potatoes (about 2 pounds), peeled and cubed
3 to 4 green onions, sliced
2 garlic cloves, minced
2 tablespoons butter
3/4 cup milk
2 egg yolks
Dash each pepper and ground nutmeg
2 tablespoons dried parsley flakes
1 pound smoked sausage, sliced
1/2 cup diced mozzarella cheese
2 tablespoons grated Parmesan cheese
1 teaspoon dried thyme or sage

Cook potatoes in boiling salted water until tender. Drain and transfer to a mixing bowl; mash potatoes. Add green onions, garlic, butter, milk, egg yolks, pepper and nutmeg; beat until light and fluffy.

Stir in parsley, sausage and cheeses. Spoon into a greased 2-qt. baking dish. Sprinkle with thyme. Bake, uncovered, at 400° for 30 minutes or until lightly browned and heated through. Makes 6 servings.