Roasted Asparagus Soup without greens

5 pounds asparagus, trimmed, cut into 2-inch pieces (14 to 15 cups) 4 cups chopped leeks (white and pale green parts only; about 4 large) 1/4 cup olive oil 6[...]

2 bunches asparagus 4 small idaho potatoes , eyes removed 1/2 cup grated asiago cheese or 1/2 cup parmesan cheese , loosely packed 1/4 teaspoon nutmeg 1/8[...]

2 bunches green onions 1 1/2 lbs asparagus , cut into 2 to 3 inch pieces 1 medium onion , cut into thin wedges 2 tablespoons olive oil 2 (14 ounce) cans[...]

1 bunch asparagus , cut into 1-inch pieces 1 onion , chopped 1/2 cup celery , chopped 2 garlic cloves , minced 1 tablespoon pure olive oil 2 tablespoons flour[...]