01 -
Fry bacon in a large skillet over medium heat until crispy. Drain on paper towels and crumble. Reserve 1/4 cup bacon grease in the pan.
02 -
Add finely chopped onion to the reserved bacon grease and sauté over medium heat until translucent. If needed, add a small amount of oil to assist cooking.
03 -
Stir in crumbled bacon, pork and beans, maple syrup, ketchup, molasses, mustard, brown sugar, salt, and pepper into the skillet with the onions until thoroughly combined.
04 -
Pour mixture into an ungreased 9x13-inch baking dish and cover tightly with aluminum foil.
05 -
Bake in a preheated oven at 180 °C (350 °F) for approximately 60 minutes, until the beans are bubbly and heated through.
06 -
Remove aluminum foil and bake for an additional 20 to 30 minutes to thicken the sauce, stirring occasionally to prevent sticking.
07 -
Stir beans once more before serving warm.