Croque Madame Toast

INGREDIENTS

1 tbsp

butter butter

1 tbsp

flour flour

1/2 cup

milk milk

1/2 tsp

mustard mustard

1/2 tsp

ground ginger ground ginger

1/3 cup

gruyere cheese gruyere cheese

3 tbsp

parmesan cheese parmesan cheese

1 serving

salt and cracked pepper to tastesalt and cracked pepper

3 slices

sourdough bread

3 tbsp

grain mustard grain mustard

6 oz

ham

3 larges

egg yolks egg yolks