Zelish

Enables effortless grocery shopping
Automatic grocery list creation from the Recipes directly, topped up with the flexibility to add or update the ingredients anytime, and getting them delivered through your preferred vendors.
Enjoy the complete convenience of seamless grocery delivery.

Zelish Recipe Shopper

Shop button for users to buy ingredients directly from a recipe.

Kremental

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<li><a href="http://kremental.com/visual-recipe-index" rel="nofollow ugc">Sign up for early access and release pricing for the pro version</a></li>
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Visual Recipe Index 
This plugin creates an automatically updating recipe index with pictures. 
It uses the recipes that you already have on your blog, and the categories that you have defined.
To use, follow the instructions on the admin page (Settings->Visual Recipe Index) to generate shortcodes to paste onto a page of your choice to display your recipe index.
This plugin uses the featured image for the thumbnail if set, and the first image of the post if a featured image isn’t set.

Visual Recipe Index Pro – Features being considered for development 
* Simplified user interface
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Pagination/endless scroll
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Drag and drop category ordering
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Faster image loading
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Beautiful styles with several themes to choose from
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Removal of dependency on cutting and pasting shortcodes on a page
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Automatic index page creation with checkbox to add to menu
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Option to automatically add multi-page index creation with hierarchy
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Option for slider gallerys with multi-page/category hierarchys
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Significantly improved SEO
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Visual Recipe Index

Visual Recipe Index - Plugin to create an automatically updating recipe index with pictures.

Zelish Recipe Shopper vs Visual Recipe Index