Step 1

Flatten ground chuck in a pan, season, and refrigerate.

Step 2

Cook bacon in a skillet, remove, and discard half the grease. Add onion, cook for 10 mins. Add garlic, cook for 4-5 mins. Return bacon, cook for 1-2 mins. Add brown sugar, bourbon, vinegar, and syrup. Simmer for 10-15 mins until thickened. Transfer to jar.

Step 3

Heat griddle to medium, spray with tallow. Cook patty, season backside. Flip after 4-6 mins, add cheese after 2 mins.

Step 4

Toast buns, assemble sliders with bacon jam. Cut and serve.