Thai Curry Stir-Fry

1/2 cup chicken broth 2 teaspoons cornstarch 2 teaspoons soy sauce 1 1/2 teaspoons curry powder 1/8 teaspoon red pepper flakes nonstick olive oil flavored[...]

1 tablespoon olive oil (less if using non-stick pan) 450 g chicken thighs , cut into bite size pieces 2 bell peppers (any colour, sliced) 1 small red onion ,[...]