For the crust, dice the bread finely. Cut bacon into strips. Clean, wash and cut the chili into rings. Peel garlic and chop very finely. Drain bacon in a pan, take it out, put butter in the pan, melt it, add bread and roast it in it while turning.
Add garlic and chilli, roast briefly, season with salt and pepper. Add bacon and remove from the heat.
Cook the pasta in boiling salted water according to the instructions on the packet. Drain, collecting 250 ml of pasta water. Quench the pasta briefly and drain well.
In the meantime, finely crumble the blue cheese. Grate the rest of the cheese finely and mix it, 2 tablespoons of it aside for sprinkling. Mix sour cream and pasta water. Stir in grated and crumbled cheese.
Season vigorously with salt and pepper.
Mix the pasta, peas and sour cream cheese mixture well. Pour into one large or several smaller ovenproof dishes. Sprinkle with bread and bacon mixture and cheese set aside. In a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see
manufacturer) bake for about 25 minutes.