Preheat your oven to 180°C.
Add all ingredients into a mixing bowl and use a hand mixer to combine.
Use a dessert spoon to spoon mixture into patty papers. I found that a good heaped dessert spoon was enough for each.
Place in oven for approximately 20 minutes. As all ovens differ, your brownies should be done when they are firm to touch. Because they are <g class="gr_ gr_193 gr-alert gr_gramm gr_disable_anim_appear undefined Grammar multiReplace" id="193" data-gr-id="193">quite</g> <g class="gr_ gr_194 gr-alert gr_spell gr_disable_anim_appear undefined ContextualSpelling ins-del multiReplace" id="194" data-gr-id="194">fudgey</g>, if you are using a skewer to test if they are done, it may not necessarily come out clean.
Leave to cool or eat warm and enjoy the delicious fudginess! They are lovely on their own, with ice cream, sprinkled with icing sugar or if you're adventurous, topped with even more Nutella!