Creamy tomato sausage and tortellini soup

Ingredients

• 2 tablespoons extra virgin olive oil
• 1 pound Italian sausage
• 1 pound tortellini (fresh or frozen)
• 1/4 cup fresh basil, chopped
• 1 (26 ounce) jar pasta sauce
• 1 cup water
• 2 cups half and half
• Salt and pepper, to taste