Heat BBQ to 350°F
Place a foil pan on one side of the BBQ grill and reduce heat under pan to low
Pour tomatoes, chopped garlic, Italian seasoning, salt and pepper in the foil pan and stir
Place basil leaves on top of tomatoes
On the other side of the grill, place the sausages over medium heat.
Close lid and allow sausages to cook on one side for 5 minutes or until golden and grill marks are present
Open lid, turn sausages over to cook on the other side.
Stir tomato sauce and close lid and allow to cook 5 minutes longer
Once sausages are golden on all sides and cooked through, add to the sauce and allow to cook covered for 10 minutes.
Meanwhile, mixed minced garlic with butter.
Spread butter evenly over the insides of the buns
Place open buns face down on grill over medium-high heat.
Toast buns until light brown
Flip buns over onto a sheet pan. Top each bun with a sausage and 2-4 Tbsp of the sauce.
Top sausages with 3-5 Tbsp shredded cheese
Place the sheet pan on the grill and close lid, allow cheese to melt
Top with additional 2 Tbsp of the tomatoes and serve.