Seared Calamari with White Beans and Chorizo

• 12 ounces calamari, cut into 1/4-inch rings
• 1/2 tablespoon chopped garlic
• 1/4 teaspoon red chili flakes
• Sea salt and freshly ground black pepper
• Sea salt and freshly ground black pepper 
• 4 ounces chorizo Bilbao, sliced into 1/4-inch disks
• 1 tablespoon olive oil
• 1/2 cup cooked white beans, in their juice
• 1 red bell pepper, roasted, seeded, cut into 1/4-inch dice
• 1 tablespoon chopped parsley leaves
• 1 tablespoon freshly squeezed lemon juice
• 1 tablespoon unsalted butter
• Croutons, for garnish, recipe follows

Croutons:

• 3 tablespoons olive oil
• 1 garlic clove, creamed
• 1 tablespoon chopped fresh parsley leaves
• Sea salt and freshly ground black pepper
• 1 baguette