Creamy Beef and Mushroom Tortellini Skillet

Ingredients

• 1 pound ground beef
• 1 tablespoon olive oil
• 1 medium onion, finely chopped
• 2 cloves garlic, minced
• 8 ounces cremini mushrooms, sliced
• 1 teaspoon dried thyme
• Salt
• pepper
• 1/4 cup all-purpose flour
• 2 cups beef broth
• 1 cup milk
• 1/2 cup heavy cream
• 1 package (9 ounces) cheese tortellini
• 1/2 cup grated Parmesan cheese
• Fresh parsley, chopped, for garnish