You really can cook a whole frozen chicken breast in the Instant Pot® without thawing it first! This is a one-pot meal that comes together with little preparation and is ideal for busy weeknights. Be sure to rinse the rice until the water runs clear to ensure that it does not stick to the bottom of the pot while it cooks. The perfect cook time for the chicken breast depends on its size but is easy to remember: Plan on 6 minutes for a 6-ounce breast and add 1 minute for every extra ounce beyond that.
Add 1 1/4 cups water and the rice to a 6- or 8-quart Instant Pot®. Place the broccoli on top of the rice. Follow the manufacturer’s guide for locking the lid and preparing to cook. Set to pressure cook on high for 5 minutes (see Cook's Note).
After the pressure-cook cycle is complete, follow the manufacturer’s guide for natural release. After 10 minutes, being careful of any remaining steam, unlock and remove the lid. Gently scoop out the broccoli and rice into a medium bowl, cover with plastic wrap and set aside until ready to serve.
Add the oil, garlic, scallion whites and ginger to the same pot (there is no need to rinse the pot out). Set to high saute for 4 minutes and cook until softened, stirring frequently with a wooden spoon. Add the broth, soy sauce, brown sugar, honey, salt and black pepper, scraping the browned bits from the bottom of the pot with a wooden spoon.
Add the chicken breasts. Follow the manufacturer’s guide for locking the lid and preparing to cook. Set to pressure cook on high for 6 minutes (for a 6-ounce chicken breast) to 8 minutes (for an 8-ounce breast). After the pressure-cook cycle is complete, follow the manufacturer’s guide for natural release. After 10 minutes, being careful of any remaining steam, unlock and remove the lid. Transfer the chicken to a cutting board using tongs and slice crosswise.
In a small bowl, combine the cornstarch with 2 teaspoons cold water and add to the sauce in the pot. Set to high saute for 4 minutes. Continuously whisk until the teriyaki sauce is thickened.
Drizzle the sauce over the sliced chicken and serve with the cooked rice and broccoli.
Settings may vary on your Instant Pot depending on the model. Please refer to the manufacturer’s guide.
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