Mom's Creamy Beet Salad

Bahan-bahan (6 porsi)

• 4 medium/large beets (Any shape beets are ok.)
• 1 small red onion (about 1/4 cup finely chopped)
• 3 -4 Tbsp real mayo to taste
• 1/4 tsp Salt
• 1/2 tsp Sugar
• 1 Tbsp vinegar