A smoky classic, this ketchup will add a touch of unexpected spice to a burger or meatloaf.
Add wood chips, chunks or pellets to smoker according to manufacturer's instructions. Preheat smoker to 225°F.
Place tomatoes in single layer on a sheet pan or as directed according to the manufacturer's instructions. Set timer for 15 minutes depending on desired smoke flavor. At end of smoking time, carefully remove tomatoes from smoker.
Add smoked tomatoes and pan juices to large saucepan; heat on medium-low heat. Add shallots, 4 tablespoons brown sugar, vinegar and celery seeds; simmer, uncovered, 2 hours or until reduced to 4 cups, stirring occasionally and breaking up tomatoes with a potato masher. Remove from heat; cool.
Test Kitchen Tips Different hardwoods produce different results, from the deeper smoky flavor of mesquite to the mild sweetness of apple wood to the versatility of hickory.