Ingredients

• 4 egg yolks
  
• 1/2 cup heavy cream
  
• 1 cup grated Parmesan cheese
  
• 1/2 pound bacon, sliced
  
• 2 tablespoons olive oil
  
• 1 bunch scallions, trimmed and diced
  
• 1 cup cooked peas
  
• 1/2 cup finely chopped parsley
  
• 1/2 cup prosciutto, chopped
  
• 1 ripe tomato, diced
  
• 1 pound spaghetti, cooked and drained
  
• Additional grated parmesan cheese