Meat and Spinach Ravioli Filling

INGREDIENTS

• 1 pound ground beef
• 1 1/2 cups fresh spinach
• 5 tablespoons grated Parmesan cheese
• 1 1/4 tablespoons dried parsley
• 1/4 cup bread crumbs
• 1/4 cup olive oil
• 1 large egg
• 1/2 teaspoon garlic salt
• 1 pinch black pepper