Gruyère-Chive Mini Popovers

INGREDIENTS

• Canola oil for greasing pans
• 1 cup flour
• 1/2 tsp. salt
• 1/4 tsp. freshly ground pepper
• 1 Tbs. finely snipped fresh chives
• 1 1/4 cups milk, at room temperature
• 2 eggs, at room temperature
• 1 Tbs. unsalted butter, melted
• 3 oz. Gruyère cheese, coarsely grated