Slice the tops off the tomatoes and scoop out seeds and pulp. Drain, <g class="gr_ gr_1239 gr-alert gr_spell gr_inline_cards gr_disable_anim_appear ContextualSpelling ins-del multiReplace" id="1239" data-gr-id="1239">cut side</g> down on paper towels.
In a blender, puree the avocado, Greek yogurt, cilantro lime juice, chipotle chili powder and salt until smooth and blended.
Spoon or pipe avocado filling into centers of tomatoes.
Garnish with cilantro leaves.
*Note: Large avocados are recommended for this recipe. A large avocado averages 8 ounces. If using smaller or larger size avocados, adjust the quantity accordingly.