Cod with Blistered White Beans and Chard

Ingredients

• 2 tbsp olive oil, divided
• 1 (15-ounce) can cannellini beans
• 1 tsp salt, divided
• 1 tsp garlic powder
• 1 tsp paprika
• 1 medium bunch Swiss chard (about 10 ounces)
• 1/4 tsp red pepper flakes, plus more for serving
• 1 tbsp freshly squeezed lemon juice
• 2 (6- to 8-ounce) skinless cod fillets, 1 to 1½ inches thick
• 2 tbsp of butter, cut into 2 pieces
• 2 thyme sprigs
• 1 lemon