2 Mix the mashed banana with peanut butter and sugar. Add the egg, milk, and vanilla extract and whisk thoroughly.
3 Add the oats, raising agent, salt, and cocoa. Mix the batter until thick and smooth.
4 Add chocolate chips to the batter and stir. Smear 6 silicone muffin molds with oil. Pour the batter into the mold, filling them to 2/3. Put the molds into the microwave and bake them at 800 W for 2.5-3 minutes.
5 Carefully take the muffins out and let them cool for 10-15 minutes, then take them out of the molds.
6 Decorate with berries and sugar powder before serving.