Healthy Tuna Pasta Salad (with Greek yogurt!)

• 8 ozelbow macaroni — dry, whole-wheat or gluten-free permitted, 2 cup, or shells or bow-tie or rotini
• 2canned tuna — drained, 10 oz
• ⅓ cupchopped celery — large or small stalks, 1–2
• ⅓ cupchopped onion
• 1 cupfrozen peas — thawed

For the dressing

• ½ cupfull fat plain Greek yogurt
• ¼ cupmayonnaise
• ¼ cupdill pickle — chopped
• 1 tbspDijon mustard
• 1 tbspfresh lemon juice
• 1½ tspdried dill
• ½ tspgarlic powder
• ½ tspfine sea salt, to taste + 1/2 tsp black pepper