3 tablespoons of butter3 tablespoons of olive oil6 garlic cloves, minced1 lb of sliced mushrooms2 tablespoons of tomato paste1⁄4 cup of white wine1⁄4 cup of fresh lemon juice1 lb of peeled and deveined shrimp1 bunch of green onions, chopped1 lb of scallops1⁄4 cup of chopped parsleySalt and pepper (to taste)