Ingredients
2 T butter
2 T olive oil
1 lb 3-inch diamter portobello mushrooms, stemmed and sliced
4 large garlic cloves, minced
2 t chopped fresh rosemary
1 2/3 c beef broth
1 c chicken broth
1/2 oz dried porcini
1/3 c dry white wine
3 large plum tomatoes, chopped
1 lb penne
6 oz spinach leaves
1 1/4 c grated Asiago
Preparation
Melt butter and oil in large skillet. Add portobello mushrooms, garlic and 1 t rosemary. Saute until tender. Transfer mixture to bowl and add 1 c beef and chicken broth to skillet. Add porcini and simmer until tender. Add reserved mushroom mixture, simmer 5 min. Add remaining rosemary and tomatoes, and simmer until sauce thickens, about 10 min.
Cook and drain pasta. Add spinach, remaining beef broth, mushroom sauce and cheese.