Based on your criteria, one chain restaurant that might be a good fit for you is The Cheesecake Factory. They have locations in many large cities and are known for their high-quality food and large menu. Prices are generally reasonable, with many entrees under $20, which would allow you to get three meals for around $50. They also tend to serve their food quickly, so you should be able to get your meal in under an hour. Some other chain restaurants to consider that meet your criteria might include P.F. Chang's, The Capital Grille, and The Melting Pot.
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