Preheat the oven to 350 F.

Slice the sourdough horizontally and vertically to create small cubes, making sure not to slice all the way to the bottom of the bread.

Stuff each pocket with some of the brie and sliced grapes.

Add the melted butter to a bowl with the thyme and mix to combine. Brush the mixture all over the top of the bread, making sure to cover each of the pockets well.

Wrap the loaf in foil and bake in the preheated oven for 20 minutes.

Drizzle with honey and garnish with additional thyme.