I cook by feel, and my recipe books don’t get off the shelf much. With pesto, in particular, it’s all “to taste” in my kitchen, and to texture: Too little oil, and the blender or Cuisinart can’t process it; too much, and it won’t really freeze nicely. For me, freezing’s the main point. I don’t want to OD on pesto in high summer, but want a steady supply year-round.I make a lot of pizza, crust and all, and I smear the unbaked crusts with olive oil, my pesto, and roasted garlic before I layer on homemade tomato sauce (stored frozen beside the pesto) and the cheeses.An “ice cube” or two of defrosted pesto also makes a welcome spread on baguette or crackers with olives and cheese and other snacking things, when guests stop by. Nothing’s easier as a seasoning when m