The Ultimate Cheesy Tomato Biscuit Casserole with Cheddar

Ingredients

• 2 tablespoons Olive Oil
• 1 medium Yellow Onion, finely diced
• 4 cloves Garlic, minced
• 2 tablespoons Tomato Paste
• 2 x 28 oz cans Crushed Tomatoes
• 1/2 cup Vegetable or Chicken Stock
• 1 teaspoon Dried Oregano
• 1 teaspoon Dried Basil
• 1 teaspoon Granulated Sugar
• Salt
• Black Pepper
• 4 oz Cream Cheese or Mascarpone (Optional)
• 2 cups All-Purpose Flour
• 1 tablespoon Baking Powder
• 1 teaspoon Salt (Kosher or Fine Sea Salt)
• 6 tablespoons Unsalted Butter, chilled and cubed
• 1 cup Mature Cheddar Cheese, grated
• 3/4 cup Buttermilk, cold
• 1 Egg whisked with 1 tablespoon water (for egg wash)