On a cutting board, cut the Chuck Roast into 3-inch sections, trimming the fat off and discarding the fat.
Place the pieces of steak on a plate and place in the freezer for 20 minutes.
While the steak freezes slightly, rinse the broccoli in a sink colander and then cut the broccoli on a cutting board.
Remove the steak from the freezer and cut the chunks into thin slices, around 1/4-inch thick.
To a large Ziplock bag, place the thinly sliced steak and then add 1/4 cup Cornstarch and toss to coat. Set aside.
In a medium saucepan, measure and then add 1 tsp Vegetable Oil and 1 tsp Coconut oil OR Sesame Oil, 4 Garlic Cloves minced and 2 tsp Ground Ginger. Cook for 1 minute, making sure to NOT burn the ginger and garlic.
To the saucepan, add the 1/2 cup Soy Sauce, 1/2 cup Water and 3/4 cup Brown Sugar, then whisk well until the sugar is dissolved.
Add the Red Pepper Flakes, if using, then bring the mixture to a boil for 2-3 minutes, then simmer for 5 minutes.
Place a cast iron skillet over medium-high heat, add 2 Tablespoons Oil, and then sear the steak in small bathes. Flip the steak pieces to sear them on all sides.
When seared, transfer the steak to a large saucepan with 1 Tablespoons Coconut oil and 2 Tablespoons Oil, warmed on medium.
Cook the steak in the large saucepan for 5-7 minutes.
To the large saucepan with the steak, add the cut broccoli.
Pour in the Soy Sauce mixture, it will sizzle and bubble up, and stir to coat.
Simmer the broccoli and steak in the Soy Sauce mixture for 5 minutes on medium.
On a cutting board, dice the green onions and place them in a bowl.
Serve with rice, linguini, or quinoa. Then sprinkle the top with Sesame Seeds and green onion.
Keyword Beef and Broccoli, Beef and Broccoli Recipe, Dinner Ideas, Recipe