Healthy Vegetable Soup (30 Minutes!)

Name: Healthy Vegetable Soup (30 Minutes!)
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Cuisine: American
Ingredients: 2 tbsp Olive oil; 1 large Onion ((diced)); 2 large Bell peppers ((diced, the same size as onions)); 4 cloves Garlic ((minced)); 1 medium head Cauliflower ((cut into 1-inch florets)); 2 cups Green beans ((trimmed, cut into 1-inch pieces)); 2 14.5-oz cans Diced tomatoes; 8 cups Chicken broth, reduced sodium ((or vegetable broth for vegetarian/vegan)); 1 tbsp Italian seasoning; 2 medium Bay leaves ((optional)); Sea salt ((optional, to taste)); Black pepper ((optional, to taste))