Saute or steam/saute the onions in the bottom of a 2 or 3 quart saucepan
When softened, add the chopped asparagus spears, potatoes and broth.
Reduce the heat to medium low and simmer until the potatoes and asparagus are cooked through,
Carefully use a stick blender to puree the vegetables to form a smooth broth.
Add the lemon juice and adjust the seasonings to taste.
Add the tips to the soup and cook for an additional 5 to 10 minutes. Keep back a couple tips to use for garnish as shown in the photos.
To serve, ladle the soup into large bowls and float a cut tip in the center of the soup. Garnish as desired.