INGREDIENTS
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1 (32-ounce) carton plain low-fat yogurt
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1/2 cup (4 ounces) block-style fat-free cream cheese, softened
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1 cup part-skim ricotta cheese
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1/2 teaspoon salt
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1/4 teaspoon freshly ground black pepper
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1 large egg yolk
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1/2 cup all-purpose flour
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1/2 cup yellow cornmeal
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1 teaspoon sugar
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1/2 teaspoon salt
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Dash of freshly ground black pepper
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2 1/2 tablespoons butter, chilled and cut into small pieces
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1/4 cup ice water
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Cooking spray
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1 teaspoon butter
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8 cups sliced onion (about 1 1/2 pounds)
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1 tablespoon sugar
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1/2 teaspoon salt
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1/4 teaspoon freshly ground black pepper
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1 teaspoon dried thyme