Vegetable Chili

Ingredients

• 1/2 onion, diced
• 2 stalks celery, diced
• 1 carrot, diced
• 1 bell pepper, diced
• 1 tbsp garlic powder
• 2 tsp dried oregano
• 1 tbsp chili powder
• 425 g kidney beans, rinsed and drained
• 425 g garbanzo beans, rinsed and drained
• 425 g black beans, rinsed and drained
• 1 tbsp olive oil
• 14 oz low-sodium vegetable broth