Roasted Garlic without chickpeas

5 whole garlic heads, unpeeled 3 1/2 tablespoons olive oil, divided 1 1/4 teaspoons salt, divided 1 teaspoon freshly ground black pepper, divided 10 shallots,[...]

1/4 cup olive oil 20 bulbs garlic (or as little "or" as much as you want) 1 lb white pearl onion (optional) salt and pepper 2 four inch sprigs rosemary ,[...]