Gluten-Free Cheesy Tuna, Spinach and Mushroom Rice Patties - One Handed Cooks

Ingredients

• 1 tbsp olive oil
• 1 small red onion, finely chopped
• 1/2 cup mushrooms, chopped
• 2 cups chopped spinach
• 2 cups cooked brown rice
• 1/2 cup quinoa flakes (or breadcrumbs if gluten free not required)
• 1 1/2 cups grated cheese
• 1 x 95g tin tuna in springwater or oil, drained
• 2 eggs, lightly whisked
• olive oil cooking spray