Chicken Masala

from Greatest Ever Indian

2/3 cup plain yogurt
4 TBSP lemon juice
2 TBSP corn oil
2 tsp Garam Masala
2 tsp ground cumin
1 tsp chopped fresh ginger root
1 tsp chopped garlic
salt
4 skinless, boneless chicken breasts
1 tsp dried fenugreek
2 tsp amchoor (dried mango powder)
1 tsp dried mint
cilantro sprigs, to garnish

Mix the yogurt, lemon juice