Chicken Stew

Ingredients

• 3 lb. chicken, cut into chunks
• 2 Tbsp. olive oil
• 2 Tbsp. butter
• 1 onion, chopped
• 2 celery stalks, chopped
• 1 green bell pepper, chopped
• 1 garlic clove
• 1 (8 oz.) can tomato sauce
• 1 (8 oz.) can peeled and chopped tomatoes
• 1 sprig rosemary or 1/4 tsp. dry seasoning
• 1 c. dry white wine