Marble muffins

Method

1. 1.Preheat the oven to 180°C. Line 12 muffin tin holes with paper cases or grease them.
2. 2.Sift the flour and mix it with the baking powder and bicarbonate of soda.
3. 3.In a deep plate or small bowl, mix all 3 ingredients for the chocolate batter well, until the cocoa and coffee dissolve. Set the mixture aside.
4. 4.In a medium bowl, stir together the salt, sugar, oil and plant-based milk until the sugar has dissolved as much as possible. Then quickly stir in the lemon juice.
5. 5.Pour the wet mixture into the flour mixture and stir quickly, just enough to moisten all the ingredients - don't overmix or the muffins will be dense. A few lumps are completely fine.
6. 6.Pour about 1/3 of the batter into the cocoa mixture and stir quickly. Stir the orange zest and vanilla paste into the remaining batter.
7. 7.Add one spoonful of vanilla batter to each muffin case, then one spoonful of chocolate batter, and repeat until the cases are about 3/4 full. *For the filling, see the tips
8. 8.To give the muffins a marble pattern, take a toothpick, push it into a muffin and draw a figure 8 along the bottom of the muffin a few times. Repeat with the rest of the muffins.
9. 9.Bake for about 20 minutes, or check with a toothpick. Serve the muffins fresh.