Eggs Florentine

Name: Eggs Florentine
Prep time: 20 min
Cook time: 20 min
Total time: 40 min
Cuisine: European, Caribbean, Latin American, American, German
Ingredients: 8 thin bacon rashers; 20g butter; 2 bunches English spinach, trimmed, washed, dried; Dash of white vinegar; 4 fresh eggs, at room temperature; 4 slices ciabatta, sourdough or English muffins, toasted; 1/4 cup (60ml) white wine vinegar; 6 black peppercorns; 1 shallot, finely chopped; 2 egg yolks; 200g unsalted butter, melted; 2 teaspoons lemon juice