Bush's Beans Bacon Leek Macaroni and Cheese

pieces (2.5 oz) fully cooked bacon slices, cut into 1/4-inch pieces

leeks, white and light green parts thinly sliced crosswise, rinsed well and drained

elbow macaroni

Bush’s Grillin’ Beans, Bourbon and Brown Sugar, undrained

butter, divided

flour

milk, at room temperature

sharp cheddar, coarsely shredded, divided

Salt and pepper