Roasted Cauliflower and Leek Soup

1 Tbsp. olive oil 1 head of cauliflower , cut into florets 2 Tbsp. unsalted butter 2 leeks , cleaned and sliced 2 sprigs of fresh thyme Water Salt and pepper[...]

3 leeks , white part only, washed and thickly sliced 1/2 head garlic , cut so cloves are exposed 1 large head cauliflower , cut into florets 1 -2 tablespoon[...]

2 cloves garlic, minced 2 tablespoons vegetable oil 1 head cauliflower, broken into florets 3 tablespoons butter 2 leeks, white part only, chopped 1/4 cup[...]