1/2 large red onion diced small
2 tablespoons red wine vinegar
1/4 teaspoons kosher salt
2 cups shredded brussels sprouts
1/2 cup pomegranate seeds fresh, from about 1/2 a large one
1/2 Granny Smith apple large unpeeled apple, cored and diced
1 1/2 to 2 tablespoons honey
3/4 cup walnuts toasted, cooled, lightly crushed or coarsely chopped
Ground chipotle chile pepper, urfa biber peppers, hot smoked paprika or another chile flake to taste