Baked Chicken Burgers with Mushrooms and Spinach

Ingredients

• 1 tablespoon avocado oil, divided
• 0.5 cup sliced fresh mushrooms
• 0.5 cup chopped fresh spinach
• 0.25 cup chopped onion
• 1 clove garlic
• 1 pound ground chicken breast
• 2 teaspoons chicken soup base (such as Better than Bouillon® Roasted Chicken Base)
• salt and ground black pepper to taste
• 5 sandwich buns

Steps

1. Preheat the oven to 400 degrees F (200 degrees C). Lightly grease a 9×13-inch baking pan with 1/2 of the avocado oil.
2. Combine mushrooms, spinach, onion, and garlic in the bowl of a small food processor or blender and pulse several times until chopped into very small pieces, but not pureed.
3. Place ground chicken in a bowl. Add chopped vegetables, chicken base, salt, and pepper. Mix until vegetable pieces are evenly distributed. Divide mixture into 5 evenly sized portions and shape into patties.
4. Place patties onto the prepared baking sheet and lightly brush with remaining avocado oil.
5. Bake in the preheated oven for about 20 minutes. Turn on the broiler and broil each side until browned, 1 to 2 minutes per side. An instant-read thermometer inserted into the center should read at least 165 degrees F (74 degrees C).
6. Place each chicken burger on a bun.