UPSCALE MACARONI AND CHEESE

Steps:

• Melt butter in heavy large skillet over medium-high heat.
• Add bell peppers and celery and saute until just beginning to soften, about 7 minutes.
• Remove from heat; dseason with salt and pepper.
• Combine cream, half and half, and blue cheese in heavy medium saucepan. Stir over low heat until cheese melts. Remove from heat.
• Add celery seeds.
• Season sauce with cayenne, salt and pepper.
• Beat yolks in medium bowl to blend.
• Gradually whisk in half of cheese sauce.
• Return mixture to saucepan and whisk to blend.
• Add celery leaves.
• Butter 13x9" baking dish.
• Cook pasta in pot of boiling salted water until just tender but still firm to bite, stirring occasionally. Drain. Return to same pot.
• Add sauce and vegetables; stir to blend.
• Transfer to baking dish.
• Can be made one day ahead, cover and chill. Let stand at room temperature 1 hour before continuing.
• Preheat oven to 400 degrees.
• Sprinkle Parmesan over surface of pasta.
• Bake until pasta is heated through, sauce is bubbling, and top is beginning to brown, about 25 minutes.