3 med. cucumbers (sliced)
2 med. onions (sliced)
1 c. white vinegar
1 tbsp. sugar
1 tsp. salt
1 tsp. coarse ground black pepper

Using a clear bowl with lid, place alternating layers of cucumber and onion. Dissolve sugar and salt in vinegar, pour over vegetables. Cover and allow to set at least 24 hours before serving.