While waiting for the water to boil, peel the potatoes and cut into chunks. Add the potatoes to the boiling water and cook about 15 minutes until the potatoes are tender.
2 pounds russet potatoes
While the potatoes are cooking, heat the half and half in a small saucepan.
1 cup half and half
Add the butter into the half and half and stir until melted.
4 tablespoons butter
Place the cooked potatoes in a large bowl (or leave them in the pot after draining the water). Add the milk and butter mixture into the cooked potatoes and mash until as smooth as desired.
Add the wasabi, salt, and pepper and mix well.
½ teaspoon salt, ¼ teaspoon pepper, 1 tablespoon wasabi mustard
Notes
You can peel and cut the potatoes a day ahead and store them in cold water in the refrigerator to save time later on.
The smaller the potato chunks, the faster they will cook.
You can substitute milk for the half and half, or use a mixture of milk and half and half.
You can heat the half and half and butter in the microwave instead of a saucepan to save time.
For smoother mashed potatoes with less effort, use an electric hand mixer or stand mixer instead of mashing by hand.
If you're really in a rush, you can use instant mashed potatoes and mixing in the wasabi mustard for a quick version.
Use wasabi paste or powder instead of wasabi mustard for a different intensity and flavor.
Mix in fresh herbs like chives, parsley, or scallions for added flavor and color.
Add grated Parmesan or cheddar cheese to the mashed potatoes for a richer taste.
Replace half and half with Greek yogurt or sour cream for a tangy twist and extra creaminess.
Roast garlic cloves and mash them into the potatoes for a delicious roasted garlic flavor.
Serving Suggestions
Serve the wasabi mashed potatoes alongside perfectly grilled chicken or steak for a delightful contrast of flavors.
Pair with seared tuna or grilled salmon to complement the wasabi flavor.
Serve as a side dish with a vegetable stir-fry or roasted vegetables for a complete vegetarian meal.
Garnish with sliced green onions, sesame seeds, or a drizzle of soy sauce for added visual appeal and flavor.
Add a bit of extra wasabi mustard on top for an extra kick.