For the short ribs

• 4 10 ounce beef short ribs on the bone
• 2 tbsp extra-virgin olive oil
• 2 white onions roughly chopped
• 2 carrots roughly chopped
• 1 leek, white and light green part roughly chopped
• 1 whole garlic head cut in half, lenghtwise
• 1 2 inch piece freshginger sliced in half
• 1/2 jalapeno sliced
• 2 cups balsamic vinegar
• 1 1/4 quarts beef stock homemade or good-quality store-bought.
• 1 can can anchovies in olive oil roughly chopped
• 3 tbsp molasses
• 2 tbs tamarind paste
• 1 teaspoon whole black peppercorns
• 2 whole cloves