Acorn Squash with back

4 1/2 lbs acorn squash , halved 5 tablespoons butter , unsalted 4 large leeks , chopped (white and -tender green) 7 sprigs fresh thyme , fresh or 1 teaspoon[...]

2 tablespoons peanut oil 1 large yellow onion , cut into short 1/4 inch thin slices 1 red pepper, cut into short 1/4 inch thin slices 2 teaspoons minced[...]