Spicy Braised Tofu

Serves 2

1 (14-oz.) block firm or extra-firm tofu, drained

3 Tbsp. soy sauce

3 Tbsp. mirin (sweet Japanese rice wine)

1 tsp. toasted sesame oil

¾ tsp. gochugaru (coarse Korean red pepper powder) or other mild red pepper flakes

1 scallion

2 Tbsp. grapeseed or vegetable oil, divided, plus more for drizzling

Kosher salt

1 small garlic clove, finely chopped

1 tsp. finely chopped peeled ginger

Toasted sesame seeds and cooked rice (for serving)