Peel and dice potatoes, sweet potatoes and carrots. The smaller you dice them, the shorter will be the cooking time. Peel and chop onion and garlic.
Pre-cook ingredients
Add diced potatoes, diced sweet potatoes, diced carrots, chopped onion, and garlic to a stockpot and add veggie broth. Cook them until all veggies are soft.
When ready, reserve 1 cup of cooking water.
Blend
Transfer all cooked vegetables into a blender. Add sunflower seeds (no need to soak them), nutritional yeast, lemon juice, spices, and the reserved cooking water. Blend them until you have a creamy sauce.
Add-ins
Add small chopped bell pepper, chunky salsa and chopped jalapeno or other chili pepper to taste. Top it with freshly chopped cilantro.
Video
Notes
How to thicken the sauce? If you think that the queso you got is not thick enough, add 1 Tbsp of corn starch and put it back to the stove in a small saucepan. Bring to boil while stirring until it thickens to the desired consistency. A quick tip: Sauces with added starch need to be hot to thicken. It means you have to re-heat it to activate the starch properly. Especially if your veggies got cold before blending. The veggies also have starch in them, so the sauce may be thick enough without adding anything else.