1 tablespoon garam masala, divided

1 tablespoon curcuma or turmeric, divided

2 teaspoons kosher salt, divided

1/2 teaspoon ground cumin

1/2 teaspoon ground coriander

1/2 teaspoon freshly ground black pepper

2-2 1/2 pounds chicken breast, cut into 1-inch cubes

3/4 cup mayonnaise

1 tablespoon lemon juice

2 tablespoons light olive oil

1 large onion, thinly sliced

4 cloves garlic, minced

1-2 teaspoons freshly grated ginger

2-3 dried chile peppers (optional if you don’t like spicy)

1– 8 ounce can tomato sauce

1 cup canned coconut milk (thick not light)