Daniel 1:12

I pray thee - prove thy servants, ten days, - and let them give us vegetable food, that we may eat, and water that we may drink:

Daniel 1:16

Thus it came about that the overseer continued taking away their delicacies, and the wine appointed them to drink, - and kept on giving them vegetable food.

Genesis 1:29-30

And God said - Lo! I have given to you - every herb yielding seed which is on the face of all the land, and every tree wherein is the fruit of a tree yielding seed, - to you, shall it be, for food;

Deuteronomy 8:3

So he humbled thee, and suffered thee to hunger, and fed thee with manna which thou hadst not known, neither had thy fathers' known, - that he might lead thee to consider that not on bread alone, shall the son of earth live, but on whatsoever cometh from the bidding of Yahweh, shall the son of earth live.

Romans 14:2

One, indeed, hath faith to eat all things, whereas, he that is weak, eateth herbs:

Treasury of Scripture Knowledge

Summary

Prove thy servants, I beseech thee, ten days; and let them give us pulse to eat, and water to drink.

Bible References

Pulse to eat

Daniel 1:16
Thus it came about that the overseer continued taking away their delicacies, and the wine appointed them to drink, - and kept on giving them vegetable food.
Genesis 1:29
And God said - Lo! I have given to you - every herb yielding seed which is on the face of all the land, and every tree wherein is the fruit of a tree yielding seed, - to you, shall it be, for food;
Deuteronomy 8:3
So he humbled thee, and suffered thee to hunger, and fed thee with manna which thou hadst not known, neither had thy fathers' known, - that he might lead thee to consider that not on bread alone, shall the son of earth live, but on whatsoever cometh from the bidding of Yahweh, shall the son of earth live.
Romans 14:2
One, indeed, hath faith to eat all things, whereas, he that is weak, eateth herbs: