Hungarian Cucumber Salad (Uborkasaláta)

Ingredients

• 2 large cucumbers, thinly sliced
• 1 small onion, thinly sliced
• 1 teaspoon salt
• 3 tablespoons white vinegar
• 1–2 tablespoons sugar
• 2 tablespoons water
• 1 garlic clove, minced
• ½ teaspoon sweet paprika
• ¼ teaspoon black pepper
• ½ cup sour cream, optional