Place the butter in a small saucepan and melt over medium heat.
Finely chop the celery and add it to the saucepan and cook for 5 to 7 minutes, until soft.
Add the flour and cook for 1 minute while stirring constantly.
While whisking, slowly add the broth and the milk. Continue to cook and whisk until smooth and the mixture thickens. This should take about 3 to 5 minutes.
Season with salt and pepper.
Use immediately or let cool and store in the fridge for up to 4 days.
For a lovely, creamy texture, blend the mixture with a blender, immersion blender or in a food processor. Though, be careful not to overdo it. Also, if blending when hot, be careful not to spill the hot soup on your.
Try using vegetable broth instead of chicken broth.
This is to replace a condensed canned version of soup. If you want to use it as a soup, thin it out by adding extra milk or broth.Cornflour can be used instead of plain flour.
Unsalted butter can be used, though you may want to add about ¼ tsp of salt.
One onion diced can be added to the saucepan with the celery.
4 garlic cloves minced, can be also added to the saucepan with the celery.
Fresh herbs and spices can also be added.
This soup can also be used as a base for other 'cream of' soups - just substitute the celery with things such as diced mushrooms (½ cup), asparagus, cheddar cheese ( 1 cup shredded) diced potato or even broccoli.
Nutritional information is an estimate and provided as a courtesy. The values may vary according to the ingredients and tools that are used. Please use your preferred nutritional calculator for more detailed information.