Hidden Veggie Hamburger - mds.CulinaryMedicine.org

Ingredients

• 4 Ounces Mushrooms, white, raw (roughly chopped)
• 3/4 cup, chopped Zucchini
• 1/4 small White or yellow onions (diced)
• 8 ounces 90/10 Ground beef
• 1 large Egg(s)
• 3/4 cup Whole Wheat Classic Style Breadcrumbs (or gluten-free breadcrumbs)
• 1 Tbsp. Worcestershire sauce
• 1 dash Black pepper (to taste)
• 5 slices Reduced fat cheddar cheese
• 5 roll Whole wheat hamburger buns (toasted)(or gluten-free hamburger buns)
• 1 1/2 Ounces Fresh spinach
• 1 spray as needed cooking spray (not olive oil)