Beet Tartare

Name: Beet Tartare
Ingredients: 3 red beets; 4 tablespoons olive oil, divided; 3/4 teaspoon salt; 1 egg; 2 tablespoons chives, minced; 2 tablespoons shallot, minced; 1 tablespoon dijon mustard; 1 tablespoon capers, rinsed, minced; 1/2 tablespoon lemon zest; 1/2 baguette, sliced; 1 garlic clove, whole