At times I feel like I’m solar powered. That’s why I love it so much when spring finally arrives in Marin. The sunshine makes me feel happy and energized. Last Saturday, it looked like we were finally going to enjoy a little sunlight and warmth after what has been the rainiest winter I can remember — and just in time for Easter! On my Saturday “to-do” list was making dessert for the family potluck on Sunday. Sarah suggested making lemon bars from Tartine’s cookbook — one of her favorite desserts. Sarah has always made the lemon bars, but I thought it was about time I tried making them myself. Making the lemon bars turned out to be pretty easy; the last step was to place the tray in the fridge to allow the bars to set and cool overnight. I was proud of myself for getting everything everything ready a day early. Time to relax! The next morning, the lemon bars were ready, but Sarah was sick, so we thought it would be best for …