Cut onions into half moons and slice squash and jalapeno.

Heat beans in a small pot or microwave.

Heat oil in a pan over medium heat and add onions.

Cook onions for 3 minutes and add squash and seasoning.

Squeeze in juice from ½ of the lime.

Stir gently and remove from heat once squash is tender.

Meanwhile, heat tortillas in a warm pan.

Assemble tacos and slice remaining half of lime for garnish.