Wood will expand and contract across the grain, and a wide panel made of solid wood could change width by a half of an inch, warping the door frame. By allowing the wood panel to float, it can expand and contract without damaging the door.
Put trimmed and cleaned green beans in the steamer basket, set over the boiling water, cover, and steam until tender to the bite, 3 to 5 minutes (depending, again, on how crisp or tender you like your green beans).
How to Steam Spinach. In a steamer cook 1 pound spinach for 3 to 5 minutes or until tender. How to Cream Spinach. Step 1: Cook spinach. In a large pot of rapidly boiling salted water, cook 2 pounds (or two 10-ounce bags) fresh spinach for 1 minute. Step 2: Drain and snip spinach.