Grilled Beets with Burrata and Poppy Seed Vinaigrette

INGREDIENTS

• 1 small shallot, finely chopped
• 2 Sherry vinegar
• 2 poppy seeds
• 1 Dijon mustard
• 1 finely grated orange zest
• 1/4 vegetable oil
• 5 extra-virgin olive oil, divided
• Kosher salt, freshly ground pepper
• 1 1/2 mixed baby beets (any color), trimmed, divided
• 1 bunch scallions, root ends trimmed
• 1 burrata or fresh mozzarella, cut into 8 wedges