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Prep Time: 25 minutes
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Cook Time: 45 minutes
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Total Time: 1 hour 10 minutes
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Difficulty & Intensity: Intermediate (Requires simultaneous cooking tasks: boiling potatoes, mixing/browning meat, and baking)
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Yield: 4 individual servings (1 pint / 16 oz jars each)
Equipment Needed
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4 wide-mouth, heat-safe mason jars (16 oz / pint-sized)
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Large rimmed baking sheet (to hold jars safely in the oven)
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Large mixing bowl
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Medium saucepan
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Potato masher or ricer
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Skillet or frying pan
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Measuring cups and spoons
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Silicone spatula or piping bag
Ingredients
For the Meatloaf Base
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1.25 lbs (570g) ground beef (80/20 lean-to-fat ratio for optimal moisture)
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1/2 cup panko breadcrumbs
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1/4 cup whole milk
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1 large egg, lightly beaten
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1/2 medium yellow onion, finely diced
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2 cloves garlic, minced
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1 tablespoon Worcestershire sauce
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1 teaspoon Dijon mustard
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1 teaspoon dried Italian seasoning
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1 teaspoon kosher salt
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1/2 teaspoon freshly cracked black pepper
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1 tablespoon olive oil (for sautéing onions)
For the Creamy Mashed Potato Layer
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1.5 lbs (680g) Yukon Gold potatoes, peeled and cut into 1-inch cubes
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4 tablespoons (1/2 stick) unsalted butter, melted
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1/3 cup heavy cream or whole milk, warm
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1/4 cup sour cream (optional, for added tang and richness)
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1/2 teaspoon garlic powder
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1/2 teaspoon salt (plus more for potato water)
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1/4 teaspoon white or black pepper
For the Tangy Meatloaf Glaze
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1/3 cup ketchup
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1 tablespoon brown sugar, packed
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1 teaspoon apple cider vinegar
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1/2 teaspoon yellow mustard
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1/4 teaspoon onion powder
Optional Garnish & Fillings
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1/2 cup shredded sharp cheddar cheese
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1/2 cup steamed sweet corn kernels or green peas
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2 tablespoons fresh chives or green onions, finely chopped
Step-by-Step Cooking Instructions
Step 1: Prep & Sauté Aromatics (Heat Intensity: Medium)
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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.
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Heat 1 tablespoon of olive oil in a skillet over medium heat.
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Add the finely diced onions and cook for 4–5 minutes until soft and translucent.
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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
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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).
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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.
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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)
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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.
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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.
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Drain the potatoes completely and return them to the warm pot for 1 minute to allow residual moisture to evaporate.
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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
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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
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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.
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Optional Vegetable Layer: If using sweet corn or green peas, scatter 2 tablespoons over the raw meatloaf layer in each jar.
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Glaze Layer: Spoon a tablespoon of the sweet and tangy glaze directly over the meat layer in each jar.
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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)
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Carefully transfer the baking sheet carrying the filled mason jars to the middle rack of the preheated oven.
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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.
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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.
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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% |