Celery Potato Soup

Heat oil in a stockpot over medium-high heat; stir in onion. Cook and stir until onion has softened and turned translucent, about 5 minutes. Add garlic and cook until fragrant, about 1 minute. Add potatoes and celery and saute until celery is tender and slightly browned, 3 to 5 minutes. Add water, bouillon cube, garlic salt, and pepper. Bring to a boil and cook until potatoes are tender, 20 to 25 minutes.

Fill blender halfway with soup. Cover and hold lid down with a potholder; pulse a few times before leaving on to blend. Pour into a pot. Repeat with remaining soup. Serve hot.