Quick Vegan Burger with Fresh Veggie Toppings

Ingredients

• 1 tbsp olive oil
• 1/2 red onion, sliced
• 1/2 green bell pepper, sliced
• 1/2 cup mushrooms, sliced
• 1 tbsp soy sauce
• 1 tbsp maple syrup
• 1/2 tsp smoked paprika
• 1/2 tsp garlic powder
• 1/2 tsp onion powder
• 1/4 tsp cumin
• 1/4 tsp black pepper
• 1 whole wheat burger bun
• 1 slice vegan cheese
• 1 lettuce leaf
• 1 tomato slice
• 1/4 cup shredded cabbage