<div class="tldr">Buttercup Bakery and Luna Breads opened their doors in Park Slope during the first week of June. The openings come as Brooklyn prepares for high temperatures expected this month.</div>
<ul class="key-facts">
<li>Buttercup Bakery opened June 3 at 297 Fifth Avenue.</li>
<li>Luna Breads began service June 5 at 412 Fifth Avenue.</li>
<li>NYC is forecast to experience temperatures above 90°F mid-June.</li>
</ul>
Buttercup Bakery is the latest project from Olivia Choi, a former pastry chef at Balthazar. The bakery offers sourdough boules, croissants, and a small coffee menu. It operates daily from 7 a.m. to 3 p.m.
Luna Breads is operated by siblings Marco and Janelle Rivera. The space specializes in naturally leavened loaves and vegan pastries. Luna Breads currently opens Wednesday through Sunday.
Both bakeries report steady foot traffic in their opening days. Operators cited the upcoming heat wave as a factor in planning their summer menus. Both plan to add more cold beverages and limit oven hours during peak afternoon temperatures.
Park Slope's retail landscape has seen several closures and reopenings since the pandemic. Residents note a relative lack of bakeries on Fifth Avenue, which these new arrivals may address.
<h2>Frequently Asked Questions</h2>
<h2>Where are Buttercup Bakery and Luna Breads located?</h2>
<p>Buttercup Bakery is at 297 Fifth Avenue, on the corner of 2nd Street. Luna Breads is located at 412 Fifth Avenue, near 7th Street, both within Park Slope, Brooklyn.</p>
<h2>What are the opening hours for these bakeries?</h2>
<p>Buttercup Bakery operates from 7 a.m. to 3 p.m. daily. Luna Breads is open Wednesday to Sunday, with hours from 8 a.m. to 2 p.m. Both may adjust hours during hotter days.</p>
<h2>What types of products do the new bakeries offer?</h2>
<p>Buttercup Bakery serves sourdough breads, croissants, and a basic coffee menu. Luna Breads focuses on naturally leavened loaves, vegan pastries, and rotating seasonal items.</p>