01 -
Mix rhubarb, strawberries, sugar and lemon juice in medium to large saucepan over medium heat.
02 -
Once bubbling, reduce to medium-low. Cook stirring occasionally for about 1 hour until thickened and temperature is over 220°F.
03 -
Sterilize four 1-cup jelly jars, rings and lids by boiling for 10 minutes or running through dishwasher.
04 -
Fill sterilized jars with hot jam leaving 1/4-inch headspace. Add lids and hand-tighten rings.
05 -
Boil filled jars in water bath (covered by 1 inch water) for 10 minutes.
06 -
Let jars cool undisturbed on dish towel for 24 hours until sealed.