Marukan Agrodolce Pork Tenderloin

Ingredients

• 1 1/2 lb. Pork Tenderloin
• 2 tsp Kosher or Fine Sea Salt, divided
• 1 tsp Black Pepper, divided
• 1/2 tsp Garlic Powder
• 1 Red Onion
• 4 Tbsp Olive Oil, divided
• 1 Cup Golden Raisins
• 3/4 Cup Marukan Organic Rice Vinegar
• 1 Tbsp Marukan Organic Rice Vinegar
• 2 Tbsp Water
• 1/4 Cup Honey
• 1/2 tsp Red Pepper Flakes
• 2 Tbsp Cold Butter
• 1 Head Boston or Red Leaf Lettuce
• 1 Cup Italian Flat Leaf Parsley
• 1/2 tsp Dijon Mustard
• 1/4 Cup Almond Slivers, toasted