5 medium plums, divided
1/2 cup water
2 tbsp ketchup
1 chipotle pepper in adobo sauce, finely chopped
1 tbsp sugar
1 tbsp olive oil
6 salmon fillets
Coarsely chop 2 plums; place in a small saucepan. Add water, bring to a boil. Reduce heat, simmer, uncovered. About 10-15 minutes or until plums are softened and liquid is mostly evaporated. Cool slightly.
Transfer to a food processor; add ketchup, chipotle, sugar, and oil. Processed until pureed. Reserve 3/4 cup sauce for serving.
Sprinkle salmon with salt; place on a greased grill rack. Skin side up. Grill, covered, over medium heat until fish begins to flake easily with fork. About 10 minutes. Brush with remaining sauce during last 3 minutes.
Slice remaining plums, serve salmon with plum sides and reserved sauce.