Escarole and Chickpea Soup with Garlic Toast

Name: Escarole and Chickpea Soup with Garlic Toast
Prep time: 5 min
Cook time: 20 min
Total time: 25 min
Cuisine: Italian
Ingredients: 1 teaspoon extra virgin olive oil; 4 cloves garlic; 4 cups vegetable broth; 2 cups canned chickpeas (rinsed and drained); 5 cups chopped escarole leaves (from 1 head); fresh cracked pepper (to taste); 1 Parmesan cheese rind (plus fresh grated Parmigiano Reggiano, for serving (optional)); 4 1 ounce slices Sourdough bread ((or 2 large, cut in half)); olive oil spray