Little Monster Cakes makes stunning cupcakes and donuts. Their donuts, in particular, are marvels of baking brilliance; they're heavy, got that perfect balance between softness and chewiness, and come in a variety of great flavors (think coconut, agave, caramel and even a pink-colored Homer Simpson donut).
Their cupcakes, too, are wonderful. They're moist, fluffy and never too sugary or buttery. I've tried both their gluten-free and regular varieties and I'd take either quite happily.
Best of all, they use spelt to make their products. This gives each cupcake and donut a more substantial flavor; better yet, you don't feel quite as guilty about eating them because spelt is a wholegrain.
I can't recommend Little Monster Cakes enough. Check them out at the Upper State Street Farmers Market on Saturdays or get their stuff at Fuel Coffee Shop, both in New Haven.