Egg Salad Florentine Sandwiches

Ingredients:

• 6 hard boiled eggs
• 6 oz. spinach
• 1 small yellow onion, diced
• 1/2 tsp. garlic puree
• 1 oz. parmesan cheese
• 1.5 tsp. Dijon mustard
• 3/8 cup fat-free mayonnaise
• 6 slices multigrain bread
• salt & pepper to taste