Artichoke Pasta with White Beans and Lemon

Ingredients (15)

• 2 tablespoons unsalted butter
• 2 tablespoons olive oil
• 1/2 white onion, diced
• 1 tablespoon all-purpose flour
• 1 cup veggie stock
• 2 tablespoons pesto
• 1 (14-oz.) can artichokes, drained
• 1/4 cup capers, drained
• 1 (15-oz) can white beans, drained
• 1 lemon, zest and juice
• Salt and pepper
• 12 ounces capellini pasta, cooked
• Parmesan cheese, for serving
• Fresh parsley, garnish
• Baguette, for serving