The struggling burger brand said scheme cost it "millions of dollars and countless hours."
The hand-breaded product will launch later this year.
Leading firm 10 Point Capital will continue thinking long-term.
The burger brand has faced challenges throughout the past year.
Can the fast-food chain keep it up in 2021? There's no reason to bet against it.
The chain hasn't had a "credible and reliable" everyday value proposition in some time.
The chain's "restaurant of the future" model will debut this summer.
The fast casual's Cauliflower Gnocchi is the latest example.