Dover Sole with Spinach and Arugula Salad

Ingredients

• 1/2 lb Dover Sole fillets
• 2 tbsp olive oil
• 2 tbsp butter + 1 tbsp butter
• 1 tsp capers + 1 tsp caper brine
• The juice of 1 lemon
• salt and pepper to taste
• 1 cup spinach
• 1 cup arugula
• 3 baby sweet peppers, sliced
• 3 tbsp olive oil
• 1 tbsp rice wine vinegar