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1
Preheat the oven to 500F Coat a medium baking dish with cooking spray.
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Coat a baking sheet with cooking spray.
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3
Place the buttermilk in a shallow bowl.
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Place the bread crumbs in another shallow bowl.
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Dip the onion rings into the buttermilk, then dredge in the bread crumbs and place on the baking sheet.
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Coat lightly with cooking spray.
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Bake for 20 minutes, or until tender and golden brown.
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8
Meanwhile, coat a medium saucepan with cooking spray.
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Set over medium heat.
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Add the mushrooms, chopped onion, thyme, and salt.
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Coat with cooking spray.
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Cook, stirring occasionally, for 4 to 5 minutes, or until the mushrooms give off liquid.
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13
Sprinkle with the flour.
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14
Cook, stirring, for 1 minute.
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15
Add the milk.
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Cook, stirring constantly, for 3 to 4 minutes, or until thickened.
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17
Add the green beans.
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Stir to mix
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19
Reduce the oven temperature to 400F Pour the bean mixture into the prepared baking dish.
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20
Scatter the onion rings over the top.
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21
Bake for 25 to 30 minutes, or until hot and bubbly.
