1/2 lb of spiral pasta7 ounces of canned tuna in olive oil1 small chopped onion1 clove garlic, minced7 ounces of chopped mushrooms3.5 ounces of spinach leaves2 teaspoons of olive oil2 tablespoons of tomato paste3/4 cup of heavy creamDried oregano (to taste)Salt (to taste)Pepper (to taste)