Scrumptious, my dear Watson!

Breakfast just got a whole heap more exciting.
| Preparation: 10 minutes | Serves: 4 crumpets | 
| Cooking: 15 minutes | Hot-buttered crumpets | 
| Ingredients | Quantity (metric) | Quantity (imperial) | 
|---|---|---|
| Free-range eggs | 4 | 4 | 
| White wine vinegar | 1 tsp | 1 tsp | 
| Thick-cut free-range ham | 4 slices | 4 slices | 
| Hollandaise sauce | ||
| Free-range egg yolks | 2 | 2 | 
| Butter | 100 g | 3.5 oz | 
| Lemon juice | 1 tbsp | 1 tbsp | 
| French mustard | 1 tsp | 1 tsp | 
| Salt and pepper | Plenty | Plenty | 
Fresh eggs
    
Animal husbandry: chickens 
    
Animal husbandry: pigs