While the cups bake, combine the shredded imitation crab, cream cheese, mozzarella, grated garlic, green onions, soy sauce, sriracha, cayenne, sugar, salt, and black pepper in a large bowl. Mix until well combined.
8 oz imitation crab sticks, 8 oz cream cheese, 1 cup mozzarella cheese, 3 cloves garlic, 2 green onions, 1 Tbsp soy sauce, 2 tsp sriracha, ½ tsp cayenne powder, 2 tsp granulated sugar, ¼ tsp salt, Freshly cracked black pepper