Instructions:
Preheat oven: Preheat your oven to 375°F (190°C).
Arrange ingredients in the pan: In a large baking pan or casserole dish, arrange the sliced smoked sausage, quartered Yukon Gold potatoes, diced green bell pepper, and diced yellow bell pepper in a single layer.
Add the butter and oil: Dot the top of the sausage and vegetables with small cubes of butter (2 tablespoons total). Drizzle olive oil evenly over all the ingredients.
Seasoning: Sprinkle oregano, basil, and black pepper evenly over the top of the mixture.
Cook covered: Cover the pan tightly with a lid or aluminum foil.
Cooking: Bake in a preheated oven for 40 to 50 minutes, or until the potatoes are tender and cooked through.
Serving: Carefully remove the dish from the oven. Serve the smoked sausage and potato gratin warm. Enjoy this simple and delicious meal!
