Combine the peach preserves and chicken stock in a food processor and blend until smooth.
Pour Maker’s Mark into a 2-quart saucepan, bring to a boil and reduce to a simmer. Using extreme caution, ignite the simmering bourbon and simmer until the flame goes out.
Add the peach preserves and chicken stock, bay leaves and barbecue sauce. Bring to a simmer and cook for 8–10 minutes, then remove the bay leaves.
Remove the glaze from heat and place it into a storage container with a lid. Label, date and refrigerate.
