Mashed Potato and Gruyère Grilled Cheese | RICARDO

Ingredients

• 2 large slices country bread
• 1 tbsp (15 ml) mayonnaise
• 1 tsp (5 ml) whole-grain mustard
• 1 tsp (5 ml) Dijon mustard
• 3 oz (85 g) Gruyère cheese, thinly sliced
• ⅓ cup (75 ml) mashed potatoes, hot (see note)
• 1 tbsp fresh chives, finely chopped
• Jalapeño pepper, seeded or not, thinly sliced, to taste
• 1 tbsp butter