Spuddy Joe Potato Casserole

Ingredients

• 1-1/3 cup (320ml) Water
• 1 teaspoon (~1g) Salt
• ¼ cup (56.5g) Unsalted Butter, softened
• ¾ cup (180ml) Whole Milk (Any milk can be subbed), cold
• 2-2/3 cup (135g) Instant Mashed Potatoes (Dehydrated Potato Flakes)
• ₁⁄₃ cup (80ml) Buttermilk
• ¼ cup (60g) Sour Cream
• 1 tablespoon (15ml) Vegetable Oil
• 1-1/2 pounds (0.68kg) Ground Turkey (85/15)
• ¾ cup (115g) Yellow Onion, diced
• ½ cup (75g) Green Bell Pepper, diced
• 1 cup (240ml) Diced Tomatoes, canned
• 3 each (15g) Garlic Cloves, chopped
• 1 teaspoon (~1g) Chili Powder
• 1 teaspoon (1g) Salt
• 1 teaspoon (1g) Black Pepper
• ½ cup (120ml) Ketchup
• 2 tablespoons (30ml) Yellow Mustard
• ₁⁄₃ cup (80ml) BBQ Sauce
• 3 tablespoons (45ml) Tomato Paste
• 1 tablespoon (2g) Brown Sugar
• 1 tablespoon (15ml) Apple Cider Vinegar
• 1 teaspoon (5ml) Worcestershire Sauce (Optional)
• ₁⁄₃ cup Shredded Cheddar Cheese
• As Needed Sliced Jalapenos (optional)