1 cup brown sugar, divided
1 onion, thinly sliced
1 medium head cabbage, chopped
2 green onions, thinly sliced
1 teaspoon dry mustard
1 teaspoon salt
1/2 teaspoon celery salt
1/8 teaspoon dry mustard
2 tablespoons butter, softened
2 cups kind, sliced cornbread
6 tablespoons fresh lemon juice