Acar Mentimun Jepang

Bahan-bahan (4 porsi)

• 2 tsp Diamond Crystal kosher salt ((0.4 oz, 10 g))
• 3 Tbsp sugar ((1.1 oz, 30 g))
• ½ tsp Japanese karashi hot mustard
• 3 Japanese or Persian cucumbers ((9.2 oz, 261 g))