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Meatloaf & Potato Jars

  • Prep Time: 25 minutes

  • Cook Time: 45 minutes

  • Total Time: 1 hour 10 minutes

  • Difficulty & Intensity: Intermediate (Requires simultaneous cooking tasks: boiling potatoes, mixing/browning meat, and baking)

  • Yield: 4 individual servings (1 pint / 16 oz jars each)

Equipment Needed

  • 4 wide-mouth, heat-safe mason jars (16 oz / pint-sized)

  • Large rimmed baking sheet (to hold jars safely in the oven)

  • Large mixing bowl

  • Medium saucepan

  • Potato masher or ricer

  • Skillet or frying pan

  • Measuring cups and spoons

  • Silicone spatula or piping bag

Ingredients

For the Meatloaf Base

  • 1.25 lbs (570g) ground beef (80/20 lean-to-fat ratio for optimal moisture)

  • 1/2 cup panko breadcrumbs

  • 1/4 cup whole milk

  • 1 large egg, lightly beaten

  • 1/2 medium yellow onion, finely diced

  • 2 cloves garlic, minced

  • 1 tablespoon Worcestershire sauce

  • 1 teaspoon Dijon mustard

  • 1 teaspoon dried Italian seasoning

  • 1 teaspoon kosher salt

  • 1/2 teaspoon freshly cracked black pepper

  • 1 tablespoon olive oil (for sautéing onions)

For the Creamy Mashed Potato Layer

  • 1.5 lbs (680g) Yukon Gold potatoes, peeled and cut into 1-inch cubes

  • 4 tablespoons (1/2 stick) unsalted butter, melted

  • 1/3 cup heavy cream or whole milk, warm

  • 1/4 cup sour cream (optional, for added tang and richness)

  • 1/2 teaspoon garlic powder

  • 1/2 teaspoon salt (plus more for potato water)

  • 1/4 teaspoon white or black pepper

For the Tangy Meatloaf Glaze

  • 1/3 cup ketchup

  • 1 tablespoon brown sugar, packed

  • 1 teaspoon apple cider vinegar

  • 1/2 teaspoon yellow mustard

  • 1/4 teaspoon onion powder

Optional Garnish & Fillings

  • 1/2 cup shredded sharp cheddar cheese

  • 1/2 cup steamed sweet corn kernels or green peas

  • 2 tablespoons fresh chives or green onions, finely chopped

Step-by-Step Cooking Instructions

Step 1: Prep & Sauté Aromatics (Heat Intensity: Medium)

  1. Pre-heat your oven to 375°F (190°C). Lightly grease the interior of 4 wide-mouth pint mason jars with non-stick cooking spray and place them upright on a sturdy, rimmed baking sheet.

  2. Heat 1 tablespoon of olive oil in a skillet over medium heat.

  3. Add the finely diced onions and cook for 4–5 minutes until soft and translucent.

  4. Add the minced garlic and cook for an additional 60 seconds until fragrant. Remove from heat and set aside to cool slightly.

Step 2: Prepare the Meatloaf Mixture

  1. In a small bowl, combine the panko breadcrumbs and milk. Let sit for 3 minutes until the crumbs absorb the liquid (this panade keeps the meatloaf tender).

  2. In a large mixing bowl, combine the ground beef, lightly beaten egg, Worcestershire sauce, Dijon mustard, Italian seasoning, salt, black pepper, cooled onion-garlic mixture, and the soaked breadcrumb mixture.

  3. Gently mix everything together using your hands or a fork just until combined. Do not overmix, or the meatloaf will become dense and tough.

Step 3: Boil and Mash the Potatoes (Heat Intensity: Medium-High to High)

  1. Place the cubed Yukon Gold potatoes into a saucepan and cover with cold water by at least 1 inch. Add 1 teaspoon of salt to the water.

  2. Bring to a rapid boil over high heat, then reduce heat to medium-high to maintain a steady simmer. Cook for 12–15 minutes, or until the potatoes are fork-tender.

  3. Drain the potatoes completely and return them to the warm pot for 1 minute to allow residual moisture to evaporate.

  4. Mash the potatoes using a potato masher or ricer. Stir in melted butter, warm heavy cream, sour cream, garlic powder, salt, and pepper until smooth and velvety.

Step 4: Mix the Glaze

  1. In a small bowl, whisk together the ketchup, brown sugar, apple cider vinegar, yellow mustard, and onion powder until smooth. Set aside.

Step 5: Layer the Jars

  1. Meatloaf Layer: Divide the meatloaf mixture evenly into the bottoms of the 4 prepared mason jars (approx. 4–5 oz of meat per jar). Press down gently to eliminate air pockets, forming a firm, level base.

  2. Optional Vegetable Layer: If using sweet corn or green peas, scatter 2 tablespoons over the raw meatloaf layer in each jar.

  3. Glaze Layer: Spoon a tablespoon of the sweet and tangy glaze directly over the meat layer in each jar.

  4. Mashed Potato Layer: Pipe or spoon equal portions of the creamy mashed potatoes on top of the glaze, filling the jar up to about 1/2 inch below the rim. Smooth the top with the back of a spoon, or create decorative peaks using a piping bag.

Step 6: Bake (Heat Intensity: Medium-High)

  1. Carefully transfer the baking sheet carrying the filled mason jars to the middle rack of the preheated oven.

  2. Bake at 375°F (190°C) for 35–40 minutes. The internal temperature of the meatloaf layer should reach 160°F (71°C) when measured with an instant-read thermometer.

  3. Optional Cheese Crust: During the last 5 minutes of baking, sprinkle 2 tablespoons of shredded sharp cheddar cheese over the mashed potatoes in each jar and return to the oven until melted and bubbly.

  4. Carefully remove the baking sheet from the oven using heavy-duty oven mitts. Let the jars cool on a wire rack for 10 minutes before garnishing with fresh chopped chives.

Cooking Intensities & Timing Summary

Phase Task Heat / Cooking Intensity Duration
Phase 1 Sautéing Onions & Garlic Medium Heat 5–6 mins
Phase 2 Boiling Potatoes High (to boil) → Medium-High (simmer) 12–15 mins
Phase 3 Assembly & Prep N/A (Room Temp) 10 mins
Phase 4 Baking in Oven 375°F (190°C) / Medium-High Dry Heat 35–40 mins
Phase 5 Resting Period N/A (Cooling) 10 mins

Nutritional Information

Values are estimated per individual serving jar (1/4th of full recipe with cheddar topping).

Nutrient Amount Per Serving % Daily Value*
Calories 585 kcal —
Total Fat 32g 41%
Saturated Fat 15g 75%
Trans Fat 1g —
Cholesterol 145mg 48%
Sodium 920mg 40%
Total Carbohydrates 44g 16%
Dietary Fiber 4g 14%
Sugars 9g —
Protein 31g 62%
Vitamin D 0.6mcg 3%
Calcium 180mg 14%
Iron 4.2mg 23%
Potassium 820mg 17%

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