Prepare the buttercream

• Make the buttercream as usual in a mixing bowl.

Add the red gel colouring

• Add the red pro gel food colouring.
• Mix until the buttercream turns a dark pink colour.

Heat in the microwave

• Microwave the buttercream in 30 second intervals.

Mix and deepen the colour

• Continue mixing after each interval.
• Keep mixing until the colour deepens from pink to red.

Repeat heating and mixing

• Repeat the microwave intervals and mixing until the buttercream is bright red.

Chill and cool

• Place the buttercream in the fridge.
• Let it cool down to a spreadable consistency before using on a cake.