Chickpeas with Leeks, Spinach, and Smoked Paprika

INGREDIENTS

• 1 olive oil
• 1 leek, white and light-green parts only, thinly sliced
• 1/2 kosher salt plus more for seasoning
• 1 garlic clove, finely chopped
• 1 15-oz. can chickpeas, rinsed
• 1/2 smoked paprika
• 1 bunch spinach, trimmed, thoroughly washed
• Smoked paprika is available at most supermarkets.