She is certainly keeping you on her toes. I have recently bought Sheba perfect portions, they are just under 30 cals per portion but Kiwi loves them, she will refuse her usual food but eat one of these...as you said...go figure.
Savory Chicken Entrée
Mix things up at mealtime with SHEBA® PERFECT PORTIONS™ Premium Paté cat food. Your cat will love the taste of slow-roasted chicken Premium Paté.
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