Berry and Bacon Kale Salad with Blackberry Vinaigrette

red wine vinegar

whole grain Dijon mustard

extra-virgin olive oil

seedless blackberry jam

to 6 cups chopped kale, ribs removed and just leaves chopped or cut into shreds)

to 5 slices of bacon (depending on your bacon craving), cooked and crumbled

raspberries or chopped strawberries (about 2/3 cup)

blackberries or blueberries (about 2/3 cup)

crumbled feta or goat cheese