French Onion Soup:) Homemade Beefstock 4-5 lbs beef bone ¼ tomato paste 1 yellow onion, cut into large pieces 3 carrots, cut into large pieces 3 ribs of celery, cut into large pieces 1 small bunch of thyme 1 small bunch fresh parsley 1 Tbsp black peppercorns 2 bay leaves 8 cups water Soup 5 medium yellow onions, thinly sliced 6 Tbsp unsalted butter 4 Tbsp olive oil 2 Tbsp all purpose flour 1 cup white wine ⅓ cognac 6-8 cups homemade beef stock 2 bay leaves 3 rosemary sprigs Small bunch of thyme