Thai Style Chicken Coconut Soup

1 large onion, minced.

1 tablespoon coconut oil.

2 tablespoon fresh lemongrass.

2 tablespoon minced ginger.

2 tablespoon red chili paste or minced red chili.

2 1/2 tablespoons coconut aminos.

2 cans coconut milk, shaken.

4-5 cups diced chicken breast.

4 cups low-sodium chicken stock.

1/4 cilantro for garnish.