Roux

Ingredients

• 2 tbsp unsalted butter, microwaved for 10 seconds
• 1 tsp gluten-free XO sauce, or shrimp paste
• 1 garlic clove, minced
• 1/4 tsp kosher salt
• a few cracks of freshly ground black pepper
• 1 tbsp high-heat neutral cooking oil
• 1 lb. skin-on salmon fillets, descaled
• 1 tbsp. capers, drained
• 6 to 8 stalks baby shanghai bok choy, cores removed