Cut carrots and zucchini in long strips (julienne) and broccoli.
In a cooking pot, add 2 tablespoon butter.
Add zucchini, carrots, and broccoli, and mix them together.
Add the vegetable base and 1 quart of water.
Let it boil for 15 minutes.
In a small separate bowl add 1 egg and lemon juice and beat them together.
When the soup is ready, remove from heat.
Take 2 tablespoons of soup and add to the egg-lemon sauce and mix
together.
Add the egg-lemon sauce into the pot of soup and mix well.
Add fresh ground black pepper and salt as desired to garnish.