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High Protein Low Calorie Turkey & Spinach Meatloaf - Lean, Flavorful, and Easy

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Prep Time 15 minutes
Cook Time 45 minutes
Total Time 1 hour
Servings: 6 servings
Ingredients Method

Ingredients
  

  • 1.5 pounds (680 g) lean ground turkey (93% or 99% lean; 93% will be juicier)
  • 2 cups fresh spinach, finely chopped (or 1 cup thawed frozen spinach, well squeezed)
  • 1 small onion, finely diced
  • 3 cloves garlic, minced
  • 2 large egg whites (or 1 whole egg if preferred)
  • 1/2 cup quick oats (or whole rolled oats pulsed a few times; breadcrumbs work too)
  • 2 tablespoons tomato paste
  • 1 tablespoon Dijon mustard
  • 1 tablespoon Worcestershire sauce
  • 1 teaspoon smoked paprika
  • 1 teaspoon Italian seasoning (or a mix of dried basil, oregano, and thyme)
  • 1/2 teaspoon crushed red pepper flakes (optional)
  • 1 teaspoon kosher salt
  • 1/2 teaspoon black pepper
  • 2 tablespoons ketchup for topping (or sugar-free ketchup)
  • Olive oil spray for the pan

Method
 

  1. Preheat and prep: Heat the oven to 375°F (190°C). Lightly spray a loaf pan with oil, or line a sheet pan with parchment if you prefer a free-form loaf.
  2. Sweat the aromatics: In a nonstick skillet over medium heat, cook the onion with a pinch of salt for 3–4 minutes until softened. Add garlic and cook 30 seconds more. Let cool slightly. This step builds flavor and avoids raw onion bite.
  3. Prep the spinach: If using fresh, chop it finely. If using frozen, thaw and squeeze out as much water as possible. Excess moisture can make the loaf loose.
  4. Mix the wet ingredients: In a large bowl, whisk together the egg whites, tomato paste, Dijon, and Worcestershire until smooth.
  5. Add the seasonings: Stir in smoked paprika, Italian seasoning, red pepper flakes (if using), salt, and black pepper.
  6. Combine the base: Add the ground turkey, cooled onions and garlic, chopped spinach, and oats. Gently mix with clean hands or a spatula just until combined. Do not overmix or the meatloaf can turn dense.
  7. Shape the loaf: Transfer to the prepared pan or form a loaf shape on the sheet pan, about 8 inches long. Smooth the top and sides.
  8. Top it: Spread the ketchup thinly over the top for color and a hint of sweetness. For a low-sugar option, use sugar-free ketchup or thin tomato paste with a splash of water.
  9. Bake: Cook for 40–55 minutes, depending on thickness and leanness. Start checking at 40 minutes. Internal temperature should reach 165°F (74°C).
  10. Rest and slice: Let the meatloaf rest 10 minutes before slicing. This helps it set and stay juicy.