1 lb steamed or roasted beets, peeled and roughly diced
1 avocado, peeled, pitted and diced
3 scallions, white and light green parts only, thinly sliced
Whisk together mustard, vinegar and olive oil in a large bowl and season to taste with salt and pepper. Add beets to the dressing and gently stir to combine. Transfer beets to a serving platter and scatter avocado and scallions over the top.