Easy potato salad recipe. Nourishing and delicious!

Ingredients:
Potatoes - 6-7 pcs. (average)
Boil the potatoes in salted water until tender, about 15 minutes.
Red onion - 1 pc.
lemon juice
Cucumber - 1 pc.
dill
Sour cream - 4 tbsp.
Mustard - 1 tsp.
Salt
Black pepper