If you top the muffins with strawberry icing, ensure they are refrigerated and preferably kept in an airtight container so they won't dry out too much.
Metric kitchen scales are an inexpensive yet invaluable gadget to enable accurate measurement of ingredients. Store them upright in a cupboard or over your worktop and they'll only take up a tiny bit of space. Click
HERE for the ones I use in the UK. For U.S. option click
HERE.