Rustic Cottage Pie

Preheat oven to 400 degrees. In a large skillet, heat butter over medium. Add onion carrots, garlic and cook, stirring often, until onion is soft, 5 minutes. Season with salt and pepper and stir in tomato paste. Add meat and cook, breaking up with a wooden spoon, until almost cooked through, 3 minutes. Add thyme, Worcestershire sauce and beer(or beef broth) and bring to a boil. Cook, stirring frequently, until slightly reduced, 2 minutes. (At this point, I poured out access oil - leaving about tablespoon). Sprinkle flour over mixture and stir to combine. Slowly add 1/2-3/4 cup water, stir and cook until mixture thickens, about 2-3 minutes. Stir in peas and green beans and season with salt and pepper.

Thinly slice the potatoes using a mandolin or a sharp knife. In a medium bowl, combine potato slices with salt, pepper, fresh thyme and olive oil, gently toss to season the potatoes Top the meat mixture with potatoes, overlapping slices. Bake until potatoes are browned around edges and tender when pierced with a knife, 40 minutes. Place under the broiler for 5 minutes or until the potatoes crisp. Allow to cool 10 minutes before serving.