On a cutting board, smash garlic and salt with the side of chef’s knife, then mince. In a bowl, combine yogurt, garlic mixture, beet powder, lemon juice, garam masala, and olive oil to blend well. Serve with crackers and vegetables.
* Find beet powder (also called beet root powder) at natural foods stores and at oaktownspiceshop.com. Find garam masala (an Indian spice blend) at oaktownspiceshop.com and at well-stocked grocery stores.
MAKE AHEAD: The dip keeps for up to 2 days, chilled in an airtight container.