Step 1

Preheat the oven to 325 degrees Fahrenheit.

Step 2

Season your brisket on both sides with the Montreal steak seasoning.

Step 3

Sear both sides of your meat on high heat until a dark crust forms.

Step 4

Meanwhile, add the sliced onions to a nine- by 13-inch pan in a layer. Add the garlic cloves and half the rosemary on top.

Step 5

Combine coke, onion soup mix, paprika, salt, pepper, and BBQ sauce in a small bowl.

Step 6

Place the seared brisket on top of the bed of onions, garlic, and rosemary. Pour the sauce over the brisket and cover tightly with tin foil.

Step 7

Bake the brisket for two and a half hours on 325 degrees.

Step 8

Serve immediately, or cool and place in the freezer/fridge, and slice it before you heat it up to serve.