Jambalaya Spaghetti Sauce

2 tablespoons butter
1 cup chopped onion
1/2 cup chopped green pepper
2 cups chopped, cooked chicken
1 cup cooked shrimp
1 cup cooked sausage pieces
1/4 teaspoon pepper
1 (15 ounce) can tomato sauce
1 (16 ounce) can tomatoes and liquid
1/2 teaspoon thyme
1/2 teaspoon garlic powder
1/2 teaspoon Tabasco sauce
Salt
1/2 cup chopped parsley

Melt butter in large pot; add onions and peppers. Sauté until onions are soft. Add remaining ingredients. Stir to blend. Bring to boil; reduce heat and cook uncovered 30 to 40 minutes, stirring occasionally. Serve over hot spaghetti.