Favourite chocolate cupcake recipe?

Here's the story.
My brother is baking treats every week that he's selling to raise money for his scout troop. One of the things he's planning to bake is chocolate cupcakes.

Here's the problem.
Over the years we have tried many recipes, and none of them have been great. So, I was hoping y'all could help us out.

What are your favourite chocolate cupcake recipes that:
1. Aren't dry
2. Taste like chocolate
3. Won't break the bank

submitted by /u/noysoreto
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