Two Sticky Bombs will down an Evie, hit your shots. If you anticipate being rushed put down a Grumpy Bomb. If you need to disengage use Poppy Bomb, then you need to finish the job before it finishes you.
When she uses any of her mobility ability throw a grumpy bomb close to u so u can stun her and kill her. When she use the ice block ability, put a grumpy bomb next to her and surround her with bomb. Then when she comes out detonate all the bombs.