Rinse the fresh cranberries under cold water, discarding any bad berries and stems.

Peel and dice the ripe pears into small, uniform pieces.

In a medium saucepan, combine the rinsed cranberries, diced pears, granulated sugar, ground cinnamon, and orange zest.

Bring the mixture to a gentle boil, then reduce the heat and cook while stirring occasionally for about 10-15 minutes.

Remove from heat and let the relish cool at room temperature.

Transfer to a serving dish or jar and refrigerate for a few hours or overnight.