Mushroom Lentil Burgers - Half Cup Habit

Ingredients

• 2 tbsp olive oil
• 8 oz mushrooms (button)
• 1 cup onion (diced)
• 1 cup lentils, green (rinsed)
• 2 1/2 cups water
• 3 eggs (lightly beaten)
• 1/4 cup breadcrumbs
• 1/4-3/4 cup flour (whole wheat)
• 1/4 cup walnuts
• 2 tbsp sun dried tomatoes (chopped)
• salt (kosher; to taste)
• spices (paprika, hot red pepper, cumin)