Homemade Italian Beef & Sausage Pie Recipe - Family Favorite - Beard and Bonnet

Ingredients

• 1 pound ground beef
• ½ pound Italian sweet sausage, casing removed
• 1 large sweet onion, diced into ½ inch pieces
• 1 large green bell pepper, diced into ½ inch pieces
• 2 tablespoons fresh garlic, minced
• 1 large bunch scallions, diced
• 3 tablespoons extra virgin olive oil, divided
• 1 teaspoon dry basil
• 1 teaspoon dry oregano
• 1 teaspoon kosher salt
• ½ teaspoon freshly ground black pepper
• 1 pinch of red pepper flakes
• 2 tablespoons tomato paste
• 3 large eggs
• 1 cup Greek full-fat yogurt
• ½ teaspoon kosher salt
• 1 ½ teaspoons baking powder
• ½ cup all-purpose flour
• ½ cup grated Parmesan cheese
• ¼ pound provolone cheese, sliced
• 1 ½ cups mozzarella cheese, shredded
• Vegetable shortening or butter (for greasing)