Date and Spinach Salad

1 cup plain yogurt

½ teaspoon white sugar, or to taste

salt to taste

freshly ground black pepper to taste

1 cup shredded fresh spinach

½ cup dates, pitted and chopped

1 pinch red pepper flakes

Mix yogurt, sugar, salt, and black pepper together in a bowl. Add spinach and dates; stir to combine. Sprinkle with red pepper flakes.