Quick Tortellini Bolognese

Bahan-bahan (6 porsi)

• 4 ounces pepperoni, chopped
• 1 yellow onion, chopped
• 1 pound ground beef
• 3/4 pound ground spicy Italian sausage
• 1/2 cup chopped celery
• 4 cloves garlic, chopped
• 1 tablespoon dried oregano
• 3 tablespoons tomato paste
• 2 jars (24 ounces) marinara sauce
• 3 tablespoons cream cheese, melted
• 1/3 cup basil pesto
• 1 pound cheese tortellini
• 1 cup grated parmesan cheese