|25 g||tomato paste|
|600 ml||beef stock|
Slice carrot and celery into thin strips, and finely dice. Peel and dice onion and dice tomato.
Melt butter in a pot over medium heat. Add onion, carrot, celery, and tomato, and sauté for approx. 3 - 5 min. Add tomato paste and stir to combine.
Sift flour into the pot. Stir continuously until the flour is lightly browned. Add half of the stock and stir to combine. Add the remaining beef stock then season with salt and pepper. Whisk until the sauce is smooth and thick. Remove from heat and pour through a sieve if desired. Enjoy with roasted beef, duck, or lamb!