Tandoori Chicken

3 Tbsp vegetable oil
1 teaspoon ground coriander
1 teaspoon ground cumin
1 teaspoon ground turmeric
1 teaspoon cayenne
1 Tbsp garam masala
1 Tbsp sweet (not hot) paprika
1 cup plain yogurt (can sub buttermilk)
2 Tbsp lemon juice
4 minced garlic cloves
2 Tbsp minced fresh ginger
1 teaspoon salt
4 whole chicken legs (drumsticks and thighs), or its equivalent, skinless, bone-in