Slice the pork tenderloin into small half-inch cubes to ensure a quick sear and maximum surface area for the glaze.
Whisk the gochujang, tamari, honey, grated ginger, and minced garlic in a small bowl until the sauce is smooth and combined.
Heat the sesame oil in a large non-stick skillet over medium-high heat until shimmering.
Add the pork cubes to the skillet, searing for 5-6 minutes until golden brown and cooked through.
Pour the gochujang mixture over the pork, tossing constantly for 1-2 minutes until the sauce becomes a thick, sticky glaze.
Steam the broccoli florets in a separate pot for 3-4 minutes until they are bright green and tender-crisp.
Sauté the cauliflower rice in a small pan for 3 minutes until softened, then transfer to a serving bowl.
Top the cauliflower rice with the glazed pork and broccoli, then finish with sliced green onions, red pepper flakes, and sesame seeds.