Japanese “egg” salad smoked tofu sandwich – oomé

Ingredients

• 1 block oome smoked tofu of your choice (crumbled)
• ¼ cup Kewpie mayonnaise
• ½ tsp kosher salt, plus more to taste
• ½ tsp granulated sugar
• ⅛ tsp black pepper
• 2 tsp fav cream cheese of your choice
• 1 tbsp unsalted butter, softened
• 1 (1 1/2-ounce) Japanese milk bread slices (1/2 inch thick)
• 1/4 of red onion