Banana dessert : Roasted Bananas With Sugar-Walnut Glaze

we had a post about banana ( Do you eat banana?) . But now we have a banana dessert:

Roasted Bananas With Sugar-Walnut Glaze

 Ingredients

• 1/4 cup sugar 
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• 1/4 cup fresh lemon juice 
• 2 tablespoons reduced-calorie margarine, melted
• 1/4 teaspoon ground cinnamon 
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• 4 large firm ripe bananas
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• Cooking spray 
• 1/3 cup chopped walnuts, toasted 
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• 1 cup vanilla low-fat frozen yogurt

Preparation

• Preheat oven to 450°F.
• Combine first 4 ingredients in a bowl, and set aside.
• Cut bananas in half lengthwise. Place banana halves, cut sides up, on a jelly-roll pan coated with cooking spray. Bake at 450°F for 4 minutes. Drizzle sugar mixture evenly over banana halves, and sprinkle with toasted walnuts. Bake an additional 3 minutes. Serve bananas with frozen yogurt; drizzle with any remaining sugar mixture.