Can I use taco seasoning mix 3 months past the expiration date?

Using taco seasoning mix three months past the expiration date is generally safe, provided it has been stored properly and shows no signs of spoilage, such as an off smell or discoloration. While the flavor and potency may diminish over time, it should still be safe to consume. However, for the best taste and quality, it's recommended to use seasonings before their expiration date. Always trust your senses and judgment when assessing the quality of food products.