Chicken Liver Pate

3 Tbsp. butter 1 small yellow onion 6-7 diced crimini mushrooms 1/2 lb organic chicken livers 1 garlic clove minced 1/2 tsp. dill 1/2 tsp. dry mustard 1/3 cup white wine Juice of 1 lemon wedge Salt 1. Sauté onion until soft. 2. Add mushrooms and sauté until soft. 2....