Roasted Cauliflower - With greens

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 8 cups cauliflower florets (about 1 large head) 2 teaspoons olive oil 1/2 teaspoon kosher[...]

1 large head cauliflower , cut into florets (about 3 pounds) 1 large onion , sliced 2 garlic cloves , each halved 2 tablespoons olive oil 2 (14 1/2 ounce)[...]

1 large head cauliflower , cut into 1-inch-wide florets (9 cups) 1/2 cup extra virgin olive oil , plus 1 tablespoon extra virgin olive oil 3/4 teaspoon salt[...]