Mushroom Sauce for Steak

• 1 lb. mushrooms
• 3 tbsp. butter
• 3 tbsp. olive oil
• 2 c. beef stock
• 4 tsp. Dijon mustard
• 1/2 c. whipping cream
• Salt & Pepper

Directions

1. Slice mushrooms.
2. Heat butter and oil over medium high heat. When butter is melted, add mushrooms; stir 3 minutes.
3. Mix in 1 cup stock and mustard.
4. Increase temperature to high and boil until half reduced, about 5 minutes.
5. Add 1 cup stock, 1/4 cup at a time, boiling until sauce is reduced by half each addition.
6. Stir in cream. Boil until sauce coats spoon, about 3 minutes.
7. Season with salt and pepper.
8. Can be prepared day ahead.