Preheat oven to 375 F. Wrap each onion tightly in foil. Place onions in roasting pan and roast until very tender when pierced with knife, about 1 1/2 hours. Cool. Trim and remove onion peel. Halve onions lengthwise, then slice thinly lengthwise. Transfer to medium bowl. Add vinegar and lemon juice and toss to blend. Let onion mixture stand at room temperature at least 1 hour and up to 3 hours...
Heat oil in large skillet over medium-high heat. Add onions, salt and pepper; cook until onions begin to brown, stirring frequently, about 8 minutes. Add broth, barbecue sauce and vinegar. Reduce heat to medium; simmer until sauce thickens, stirring occasionally, about 15 minutes. (Can be made 1 day ahead. Cover; chill. Rewarm before serving...
Silky and sweet, these onions add a sophisticated touch to adults' burgers (adventurous younger eaters will enjoy them, too).
Preheat oven to 450F. Melt butter in large oven-proof skillet over medium heat. Add onions and sauté until golden, about 12 minutes. Stir in 1/3 cup water. Transfer skillet to oven and cook until onions are tender and glazed, stirring occasionally, about 10 minutes. Season to taste with salt and pepper. Transfer to bowl and serve...
Preheat oven to 375F. Brush twelve 1/3-cup (standard) nonstick muffin cups or six 1-cup (large) nonstick muffin cups with 3 tablespoons melted butter; dust with 2/3 cup cheese. Beat eggs to blend in large bowl. Beat in milk and green onions, then remaining 1/2 cup melted butter. Blend flour, salt, and remaining 1/2 cup cheese in medium bowl; gradually whisk into egg mixture (some small lumps may remain).Divide batter among muffin cups...
These popovers are like individual Yorkshire puddings. To make a dozen large popovers, just double the recipe and use two pans.