Meanwhile, melt 1 tablespoon of butter and olive oil together in a large sauté pan over medium high heat. Add the mushrooms and cook without stirring for 2-3 minutes, watching so the mushrooms don’t stick to the pan or burn. Stir and reduce to the heat to medium then add the broccoli and the ponzu and cook together for 2-3 more minutes. Add the remaining tablespoon of butter, stir and season with kosher salt and freshly ground black pepper. Garnish with lemon zest and sesame seeds and add more ponzu to taste.
