2 cups uncooked macaroni (use rice pasta or gluten-free pasta for gluten-free version)
1 Tbsp olive oil
1 pound ground beef
1 yellow onion, chopped (or mixed chopped green onion greens and yellow onion)
1/2 teaspoon Vegesal or other seasoned salt
Pinch chili pepper flakes
1/2 teaspoon celery seed
1 large can (28 oz) of diced tomatoes
2 Tbsp Worcestershire sauce
1/4 cup chopped fresh parsley
Salt and freshly ground black pepper to taste