Jan 09, 2019 · How to cook frozen chicken thighs in an Instant Pot. To cook frozen chicken thighs in your Instant Pot, first make sure that the chicken thigh pieces are separate and not frozen together. This will ensure that the chicken cooks evenly. Skip the step of browning the chicken on sauté mode. Jan 02, 2019 · Instant Pot chicken breasts are one of my favorite foods to meal prep for the week. I cook a batch of chicken breasts in my Instant Pot to use for quick lunches and dinners throughout the week. This way I can put together healthy meals when I’m short on time.