Beef Tenderloin without vinegar

1 Tbsp. extra virgin olive oil 3 1/2 lb beef back ribs or possibly short ribs 7 1/4 c. beef stock or possibly canned beef broth 6 Tbsp. tomato paste 2 x bay[...]

2 cups beef stock or canned broth, prefer veal stock if possible 1 cup chicken broth or canned low salt broth 4 small carrots peeled, halved lengthwise 16[...]

1 lb beef tenderloin 1/2 cup onion , chopped finely 1 carrot , chopped finely 1 celery , chopped finely 1 garlic clove , minced 1 (16 ounce) can beef stock 2[...]

4 beef tenderloin fillets, sliced 1 in. thick 3 -4 tablespoons olive oil 1/4 lb bacon 2 garlic cloves , minced 1 1/2 cups Burgundy wine or 1 1/2 cups chianti[...]