1 1/2 tbsp. olive oil
1/2 small onion
1/2 cup finely chopped mushrooms
1 (6 oz.) can tomato paste
2 (6 oz.) cans water
2 tbsp. Italian seasoning
2 tsp. garlic salt

Heat olive oil on medium heat. Add onions and cook until glazed, then add mushrooms. Sauté for about 5 minutes. Add more olive oil if needed. Add 8 oz. can tomato paste and water. Add spices and mix. Simmer 10 minutes, stirring occasionally. Salt to taste. Serve with pasta.