Chicken Karaage (Japanese Fried Chicken)

Ingredients

• 1.5 lbs chicken thighs (boneless, skin-on (about 700 grams))
• 1 cup cornstarch (about 125 grams)
• ½-⅔ cup Virgin olive oil (or avocado oil)
• 1 teaspoon grated ginger
• 1 clove garlic (crushed)
• ¼ cup soy sauce (about 60 ml)
• 1 tablespoon cooking sake (or Chinese cooking wine, about 15 ml)
• 2 tablespoons mirin (about 30 ml)
• Sliced cucumber (lemon wedges, and Japanese mayonnaise)