Heat oven to 375°. Hollow out bread buy cutting a thin slice off the top, and scraping out the soft insides to make your boat.
In a pan over medium heat, add bacon pieces, and cook until crispy, 5 - 7 minutes. Add tomatoes and cook an additional 5 minutes.
Add brussels sprouts and shallot to pan and cook until sprouts are wilted, about 3 - 4 minutes. Remove from heat.
In a large bowl, beat your eggs until they're bubbly. Add bacon and brussels sprouts mixture, and gouda cheese. Mix together. Carefully pour egg mixture into hollowed out loaf of bread.
Top with a little extra cheese (optional).
Cook in oven for 30 minutes. Cut & enjoy!