Fried Chicken with Cheese Sauce

Ingredients

• 2 cups (500 ml) milk
• ¼ cup (60 ml) lemon juice
• 2 tsp dried tarragon
• 1 tsp garlic powder
• 1 tsp onion powder
• 1 tsp salt
• 2.2 lb (1 kg) boneless, skinless chicken thighs (about 12 thighs)
• 3 cups (450 g) unbleached all-purpose flour
• 1 tbsp dried tarragon
• 1 tbsp garlic powder
• 1 tbsp onion powder
• 1 tbsp red pepper flakes
• 1 tbsp ground black pepper
• 1 tsp salt
• Vegetable oil, for frying
• 2 tbsp butter
• 2 garlic cloves, chopped
• 2 tbsp unbleached all-purpose flour
• 1 ½ cups (375 ml) milk
• 11 oz (300 g) firm washed rind cheese, rind removed, cheese grated (see note)
• 1 jalapeño chili pepper, seeded or not, chopped
• ½ tsp ground black pepper