Preheat your oven to 375°F. While it heats, dice your onion into 1/4-inch pieces and mince your garlic cloves. Heat the olive oil in a skillet over medium heat, then add the diced onion and cook for about 4-5 minutes until it becomes translucent and soft. Add the minced garlic and cook for another 2-3 minutes, stirring occasionally, until fragrant. This step builds a flavor foundation by gently caramelizing the aromatics rather than using them raw—I find this makes the meatloaf taste more developed and less raw-onion forward.

While the onions and garlic cook, combine the glaze ingredients in a small bowl. Mix together the ketchup, brown sugar, balsamic vinegar, Dijon mustard, and the additional balsamic vinegar (the ingredient list shows this appears twice, so combine both). Stir until smooth and well combined. Set aside until you're ready to brush it on the meatloaf after the first baking phase.

In a large bowl, combine the breadcrumbs and milk first, letting them sit for about 1 minute so the breadcrumbs absorb the milk—this creates a binder that keeps the venison moist. Add the eggs, Worcestershire sauce, Italian seasoning, salt, pepper, and garlic powder to the bowl. Then add the ground venison and the cooked onion and garlic mixture from Step 1. Mix gently with your hands until just combined—avoid overmixing, which can make the meatloaf dense and tough. I like to use my fingertips rather than squeezing or kneading to keep the texture light and tender.

Lightly oil a loaf pan or line it with parchment paper for easy removal. Transfer the meatloaf mixture from Step 3 into the prepared pan, pressing it gently to fill the corners and create an even, compact loaf. Place it in your preheated 375°F oven and bake for 45 minutes without the glaze. This initial bake allows the venison to begin cooking through and renders some of the fat before you add the topping.

After 45 minutes, remove the meatloaf from the oven and brush the glaze from Step 2 evenly over the top surface. Return it to the oven and bake for another 15-20 minutes, until a meat thermometer inserted into the center reads 160°F. The glaze will caramelize slightly and create a flavorful, slightly sticky crust that adds complexity to the venison.

Remove the meatloaf from the oven and let it rest for 5-10 minutes in the pan before slicing or serving. This resting period allows the juices to redistribute throughout the meat, ensuring each slice stays moist and tender. This is especially important with lean meats like venison, which can dry out quickly if cut immediately after cooking.