INGREDIENTS
3 tbsp
butter, divided
4
large sweet yellow onions, sliced
3 tbsp
brown sugar
3 1/2 cups
beef broth, divided
3 cloves
garlic, minced
1 tbsp
fresh thyme leaves
1/4 cup
gluten free all-purpose flour
20 oz
gluten free Irish stout (I used Steadfast oatmeal cream stout)
2 tbsp
apple cider vinegar
1 1/2 tbsp
stone ground mustard
2
bay leaves
salt and pepper
4
slices Udi's rye bread, cut into cubes
1 tbsp
butter
leaves from 2 sprigs of thyme
3/4 cup
grated white Irish cheddar