Aunt Joy's Creamy Cucumber Salad

Bahan-bahan (6 porsi)

• 1/2 cup mayonnaise
• 1/2 cup heavy cream*
• 2 tablespoons white sugar
• 2 tablespoons white vinegar (or more to taste)
• 1 and 1/2 teaspoons kosher salt
• 1/2 teaspoon black pepper (or to taste)
• dash cayenne pepper (optional, for flavor not heat)
• 1 large English cucumber** (about 2-3 cups sliced)
• 1/4 large sweet Vidalia onion (or any type of onion you like, and you can add up to 1/2 onion if you want)
• fresh herb to garnish (thyme or dill are my fav) (to garnish)