Melt butter in a small pot over medium high heat. Add garlic and half of the ginger and cook, stirring, until fragrant, 30 seconds.
2. Step
Stir in rice, water, and a big pinch of salt. Bring to a boil, then cover and reduce heat to low. Cook until tender, 15-18 minutes.
3. Step
In a separate small bowl, combine mayonnaise with half the amount of chili sauce. Stir in 1 tsp of water at a time until the mixture reaches a thin consistency that can be drizzled. Season the mixture with salt and pepper.
4. Step
Heat oil in a large pan over medium high heat. Add snap peas OR green beans; cook, undisturbed, until charred on one side, 1-2 minutes. Continue cooking, stirring occasionally, until charred all over, 1-2 minutes more. Transfer to a small bowl and season with salt and pepper. Cover to keep warm.
5. Step
In the same pan, heat oil to high. Add steak and cook, stirring occasionally, until browned and cooked to desired doneness, 2-3 minutes. Add remaining ginger; cook until fragrant, 30 seconds. Stir in ponzu and remaining chili sauce until coated. 1-2 minutes. Remove from heat and season with salt and pepper.
6. Step
To serve, fluff rice and season with salt and pepper. Add to a bowl and top with steak and snap peas OR green beans. Drizzle chili mayo on top.