Toss the mushrooms and the kale with 2 Tbsp oil and the soy sauce and spread out on a baking sheet.
Place in the oven for 10 minutes.
Melt the butter over medium heat in a large skillet. Let it cook until it turns brown and jut as it’s starting to turn, add in the garlic and the red pepper flakes.
Add in the remaining 2 Tbsp oil and the miso and turn the heat down to low.
Whisk the butter mixture until well combined.
Add in the rice and stir until well coated and heated through.
Remove to a serving dish and top with the kale and mushrooms.