Add carrots, potatoes, and celery and allow to soften a bit and get all buttery.
Add salt, paprika and broth, and cook until veggies are tender.
Meanwhile, make white sauce: Melt butter in medium saucepan. Add bullion cubes and stir to dissolve. When cubes are fully dissolved add flour and whisk until all lumps are gone. Add milk and bring to a slow simmer.
When veggies are tender add white sauce and simmer if desired or serve immediately with bread.