Easy Broccoli Apple Soup

Name: Easy Broccoli Apple Soup
Prep time: 10 min
Cook time: 32 min
Total time: 42 min
Cuisine: American
Ingredients: 1 large head of broccoli; 3 large apples (something tart like Granny Smith); 2 tablespoons butter; 1 large onion (diced); 6 cups vegetable broth; 1 medium orange (juiced); 1/2 tsp salt (more to taste); 1/4 tsp black pepper (more to taste); extra virgin olive oil (to garnish); plain Greek yogurt (to garnish)