Preheat oven to 425° + lightly oil small baking dish; boil a pot of salted water, add ½ of pasta + cook 10-12 min til al dente; drain + return to pot

Slice asparagus into ½-inch pieces, discarding any tough pieces; heat 1 tbsp oil in skillet over med-high, add asparagus, salt/pep + sauté 4-6 min until tender + bright green; add 1 cup tomatoes + cook 3-5 min until tomatoes are softened; set aside

Heat 1 tbsp oil in large skillet over med-high; sauté half the spinach + salt/pep 1-2 min until wilted; add remaining spinach + cook 1-2 min more until wilted

Add veggies, ½ cup sauce, salt/pep + pasta; transfer to baking dish + bake 12-15 min until hot