<P>The Pope is coming to breakfast, and Madeline Bean's got frittatas on the skillet. What a coup for gourmet caterer Mad Bean and her company, the event-planning wizards, chosen to mastermind L.A.'s official welcoming extravaganza. Pulling off the early morning meal for His Holiness, and two thousand high profile bigwigs, sounds like great fun for the unflappable Ms. Bean.<P>But things quickly go from serene to sinister when a young priest turns up dead in the bed of an uninhibited Hollywood star, and a yellowed page of Latin scrawl, found tucked in an old book of mouthwatering Church recipes, reveals a mysterious Jesuit Brother's shocking past. Even the course of Madeline's ragged love life gets a jolt as charming Xavier Jones, the man who left her at the alter ten years ago, reappears and still won't explain why he bugged out. With the Pope arriving any day, it's up to Madeline to sort out this unholy mess of burnt brioche, tantalizing treasure, pesky naked starlets, and homicidal caterers-or a party tha