Italian Sausage Pasta

Ingredients (10)

• 8 ounces rigatoni pasta, half of a 1-pound box
• 1 pound hot Italian sausage
• 1/2 medium yellow onion, diced (about 1 cup)
• 1/4 cup salted butter
• 2 to 3 garlic cloves, minced
• 1/2 teaspoon Italian seasoning
• 1/2 cup chopped sundried tomatoes in oil and herbs
• 11/2 cups heavy cream
• 2 to 3 cups fresh baby spinach
• salt and pepper, to taste (optional)