Easy Eggs Benedict - Alberta Milk

Ingredients

• 2 tsp (10 mL) butter
• 4 tsp (20 mL) all-purpose flour
• 1 cup (250 mL) milk
• 1/2 cup (125 mL) finely grated Parmesan
• 1/2 tsp (2 mL) mustard powder
• 1/4 tsp (1 mL) each, hot sauce and salt
• 4 small slices olive, cheese, or crusty Italian bread
• 4 eggs
• 4 thin slices Black Forest ham
• 4 slices tomato
• 1 avocado, peeled and thinly sliced
• chives for garnish