2 tablespoons pork fat or olive oil
1 smoked ham hock (about 9 oz)
1 cup finely diced Earthbound Farm Organic Yellow Onion
1/4 teaspoon red pepper flakes (or to taste)
4 cloves Earthbound Farm Organic Garlic (large cloves, finely minced)
2 bunches Earthbound Farm Organic Collard Greens (stems removed, leaves cut into 1/2-inch wide strips)
4 cups chicken stock
1 tablespoon light brown sugar
1 tablespoon fresh lemon juice